The Case File

Sources & Records

A source-linked archive of the Madison Police investigation, UW–Madison records, Alpha Epsilon Pi publications and policies, Wisconsin and federal law, historical material and public reporting concerning the September 23, 2026 AEPi hazing investigation. Browse by topic, search the full archive, or sort the case file by source number and date.

Latest Additions

October 13, 2026

Selected records from the case file

Direct links to case updates and sections

Case sections

Individual source records

[01] Madison Police — AEPi Hazing Investigation [02] UW–Madison Information Related to the Sept. 23 Langdon Street Incident [03] Vice Chancellor Lori Reesor — Message About Hazing [04] UW Record of AEPi's Disciplinary History After Termination [05] Alpha Epsilon Pi Fraternity Chapter Terminated [06] UW–Madison Unrecognized Groups — Alpha Epsilon Pi [07] UW–Madison Hazing Policy — UW-2001 [08] UW–Madison Campus Hazing Transparency Report [09] Registered Student Organization Code of Conduct [10] UW–Madison Annual Security & Fire Safety Report, 2014–2015 [11] AEPi Pi Chapter UW–Madison Newsletter [12] AEPi International Award Winners [13] AEPi Health & Safety Policies [14] AEPi Supreme Constitution [15] AEPi 2032 — A Vision to Guide Our Actions [16] AEPi Chapter Operations Guide [17] AEPi Chapter Operations Binder [18] Rob's Report: Hazing [19] Rob's Report: Building a Culture of Care [20] AEPi International Chapter Roll — Madison, Wisconsin [21] Pi Chapter of Alpha Epsilon Pi Fraternity — Wisconsin Corporate File [22] Wisconsin Statute § 948.51 — Hazing [23] Wisconsin Administrative Code — UWS Chapter 17 [24] Wisconsin Public Records — UW–Madison [25] Stop Campus Hazing Act [26] 112 Langdon Street Historical Photograph & Property Record [27] Alpha Epsilon Pi President, Vice President Arrested in Hazing Incident [28] Two Arrested in Madison Fraternity Hazing Investigation [29] Hazing Investigation Ongoing at Unaffiliated UW–Madison Fraternity [30] WISN 12 — UW–Madison AEPi Hazing Investigation [31] Complex Report on Feces-Related Hazing Allegations [32] Madison Police Records Request Portal

Showing 32 of 32 records.

Source-language note: This archive distinguishes allegations from established findings. Arrests are not convictions. Claims that have not been independently verified are labeled as allegations or attributed to the source reporting them.

Searchable Archive

All Case File Records

Search by keyword or choose a topic. Select a record to read its summary, notes, and original source documents.

Police Record · Primary Source September 23–24, 2026
01

Madison Police — AEPi Hazing Investigation

Madison Police Department · Case #2026-437753

The central police record for the case. MPD reported finding approximately 30 partially clothed males in the basement, mostly 18 years old, covered in food, condiments and other liquids. Police also reported visible injuries consistent with physical assault, an 81°F thermostat setting, and the arrests of chapter president Brayden J. Klein and vice president Samuel N. Vane.

Record note: This is the strongest public primary source for what officers reported seeing inside the house on September 23.
University Record · Primary Source Updated September 25, 2026
02

UW–Madison Information Related to the Sept. 23 Langdon Street Incident

University of Wisconsin–Madison

UW's official incident page confirms that the event occurred at an unrecognized student organization, describes the university response, and documents UW's contact with Alpha Epsilon Pi International after the police investigation began.

Record note: The university states that AEPi International continued to recognize the chapter even though UW–Madison had terminated university recognition in 2015.
University Disciplinary History · Primary Source Current UW Record
04

UW Record of AEPi's Disciplinary History After Termination

UW–Madison Office of Student Conduct and Community Standards

UW's current record for organizations not in good standing summarizes AEPi's earlier disciplinary history and states that additional allegations involving the chapter were brought to the university after recognition was terminated, including later hazing reports.

Record note: This live page should be archived whenever UW changes it because the number and description of post-termination allegations may be updated.
University Disciplinary Record · Primary Source May 6, 2015
05

Alpha Epsilon Pi Fraternity Chapter Terminated

University of Wisconsin–Madison

UW's official announcement terminating AEPi as a registered student organization after repeated policy violations while the fraternity had already been suspended for several consecutive semesters.

University Recognition Record · Primary Source Current UW Record
06

UW–Madison Unrecognized Groups — Alpha Epsilon Pi

UW–Madison Fraternity & Sorority Life

UW's page explaining what it means for a fraternity or sorority to operate without university recognition and identifying organizations that are not affiliated with UW–Madison's recognized Greek-life system.

University Transparency Record · Primary Source Current Report
08

UW–Madison Campus Hazing Transparency Report

University of Wisconsin–Madison

UW's public hazing-transparency page containing institutional hazing findings and sanctions under current campus and federal reporting requirements.

University Conduct Rules · Primary Source Current Conduct Framework
09

Registered Student Organization Code of Conduct

University of Wisconsin–Madison

The conduct framework governing registered student organizations, including organizational accountability, prohibited conduct, investigations and sanctions.

Fraternity Publication · Primary Source 2018
11

AEPi Pi Chapter UW–Madison Newsletter

Alpha Epsilon Pi

AEPi's own Madison chapter newsletter published years after UW terminated campus recognition. The publication describes chapter growth, a 37-member Fall 2017 pledge class, chapter activities and leadership.

Record note: This document is important because it directly documents continued chapter activity and AEPi affiliation after UW's 2015 termination.
Fraternity Leadership Statement · Primary Source January 15, 2026
19

Rob's Report: Building a Culture of Care

Alpha Epsilon Pi

AEPi leadership statement published months before the Madison incident describing the fraternity's approach to safety, wellness, hazing, alcohol abuse, sexual assault and other chapter risks.

Fraternity Chapter Record · Primary Source Current Chapter Roll
20

AEPi International Chapter Roll — Madison, Wisconsin

Alpha Epsilon Pi

AEPi's chapter roll listing the Madison Pi Chapter in the fraternity's organizational history. AEPi separately notes that its chapter recognition does not necessarily mean a university recognizes the chapter.

Historical Corporate Record · Primary Source Historical Archive
21

Pi Chapter of Alpha Epsilon Pi Fraternity — Wisconsin Corporate File

Wisconsin Historical Society

The Wisconsin Historical Society corporate index for the Pi Chapter. The archival file can contain incorporation papers, amendments, annual reports and documents showing historical changes in officers.

Historical Property Record · Primary Source 1926
26

112 Langdon Street Historical Photograph & Property Record

Wisconsin Historical Society

Historical record for the earlier structure at 112 Langdon Street. The archived photograph is identified by the Wisconsin Historical Society as no-copyright in the United States.

Campus Reporting · Secondary Source September 24, 2026
27

Alpha Epsilon Pi President, Vice President Arrested in Hazing Incident

The Badger Herald

Campus reporting on the arrests and the immediate UW–Madison response following the September 23 police investigation.

Local Reporting · Secondary Source September 24, 2026
28

Two Arrested in Madison Fraternity Hazing Investigation

WMTV 15 News

Local television reporting on the police investigation, arrests and conditions described by investigators.

Wisconsin Reporting · Secondary Source September 24, 2026
29

Hazing Investigation Ongoing at Unaffiliated UW–Madison Fraternity

Wisconsin Public Radio

Statewide reporting on AEPi's unrecognized university status, the police investigation and the institutional questions surrounding the chapter.

Media / Online Allegation · Secondary Source September 2026
31

Complex Report on Feces-Related Hazing Allegations

Complex

Coverage of online and purported participant-linked allegations involving feces. The allegations are preserved as part of the public record, but this archive does not treat them as established fact without independent verification.

Record note: Madison Police said early in the investigation that it had no information suggesting feces were involved. Later firsthand evidence or official records could change the evidentiary status of these claims.
Public Records Access · Official Source Current
32

Madison Police Records Request Portal

City of Madison Police Department

Official route for requesting additional records tied to Case #2026-437753, including releasable reports, supplements, photographs, dispatch records, evidence logs and other responsive material.

Primary Documents

Incident Records, Policies & Primary PDFs

Read the Madison Police incident record in the guided viewer, jump directly to key sections, or open the 22-document primary-source library for plain-English breakdowns.

CASE FILE

THE POLICE RECORD

Read the saved four-page Madison Police release or use the guided view to jump directly to the anonymous tip, what officers say they found in the basement, the reported injuries and heat, the arrests, and the Crime Stoppers reward language.

Madison Police — AEPi Hazing Investigation

City of Madison Police incident record for Case #2026-437753.

Incident September 23, 2026
Length 4 Pages
Agency Madison Police
Case 2026-437753
Important: The guided summaries below explain the public Madison Police release in ordinary language. Arrest allegations are not convictions. Additional claims circulating online are not presented as established fact unless separately verified.

Plain English

Case Information & First Update

Page 1

Page 1 · Incident header and first update

Guided Sections
Viewing page 1 of 4

If your browser does not display the embedded PDF consistently, open the full police record directly.

What the Police Release Documents

Use these shortcuts to jump the guided viewer to the relevant part of the four-page record.

Primary PDF Library

22 Documents, Explained in Plain English

These are the police, UW–Madison, Alpha Epsilon Pi, legal and historical PDFs currently preserved in the evidence folder. Every entry includes an ordinary-language explanation and why the document matters to the case file.

Incident & UW Response

Madison Police — AEPi Hazing Investigation 4 pages · Madison Police Department · Case #2026-437753

In plain English

The central police record for the case. MPD reported finding approximately 30 partially clothed males in the basement, mostly 18 years old, covered in food, condiments and other liquids. Police also reported visible injuries consistent with physical assault, an 81°F thermostat setting, and the arrests of chapter president Brayden J. Klein and vice president Samuel N. Vane.

Why it matters: This is the strongest public primary source for what officers say they personally observed inside the house. It also contains the police department's actual Crime Stoppers reward language.
UW–Madison Information Related to the Sept. 23 Langdon Street Incident 2 pages · University of Wisconsin–Madison

In plain English

UW's official incident page confirms that the event occurred at an unrecognized student organization, describes the university response, and documents UW's contact with Alpha Epsilon Pi International after the police investigation began.

Why it matters: This is UW's own explanation of the 2026 response and the unusual split between university recognition and AEPi national recognition.
Vice Chancellor Lori Reesor — Message About Hazing 2 pages · UW–Madison Student Affairs

In plain English

A university-wide message issued after the incident discussing hazing prevention, reporting, student safety, the September 23 case, and the university's response.

Why it matters: It documents the university leadership response immediately after the raid and the disciplinary process UW said it would use for individual students.
Alpha Epsilon Pi Fraternity Chapter Terminated 2 pages · University of Wisconsin–Madison

In plain English

UW's official announcement terminating AEPi as a registered student organization after repeated policy violations while the fraternity had already been suspended for several consecutive semesters.

Why it matters: It establishes that UW formally terminated the chapter years before the 2026 incident and explains why.
UW–Madison Unrecognized Groups — Alpha Epsilon Pi 2 pages · UW–Madison Fraternity & Sorority Life

In plain English

UW's page explaining what it means for a fraternity or sorority to operate without university recognition and identifying organizations that are not affiliated with UW–Madison's recognized Greek-life system.

Why it matters: It shows how UW currently describes AEPi's status to students and what the university says about participation in unrecognized groups.
Registered Student Organization Code of Conduct 12 pages · University of Wisconsin–Madison

In plain English

The conduct framework governing registered student organizations, including organizational accountability, prohibited conduct, investigations and sanctions.

Why it matters: It explains the conduct standards and organizational discipline that apply to recognized student groups, providing context for what changes when a chapter operates outside recognition.
UW–Madison Annual Security & Fire Safety Report, 2014–2015 137 pages · UW–Madison Police Department

In plain English

Historical campus-safety report from the same general period in which AEPi was repeatedly disciplined and ultimately lost university recognition.

Why it matters: It preserves the university's campus-safety and conduct framework from the same period when AEPi was being suspended and terminated.

AEPi National & Chapter Records

AEPi Pi Chapter UW–Madison Newsletter 5 pages · Alpha Epsilon Pi

In plain English

AEPi's own Madison chapter newsletter published years after UW terminated campus recognition. The publication describes chapter growth, a 37-member Fall 2017 pledge class, chapter activities and leadership.

Why it matters: It is direct AEPi documentation that the Madison chapter remained large, active and nationally connected after UW terminated recognition.
AEPi International Award Winners 20 pages · Alpha Epsilon Pi

In plain English

AEPi's international awards publication documenting continued national recognition of the UW–Madison Pi Chapter after the university had terminated campus recognition.

Why it matters: It shows AEPi International publicly recognizing the Madison Pi Chapter after the university had already terminated its campus status.
AEPi Health & Safety Policies 7 pages · Alpha Epsilon Pi

In plain English

AEPi's current national health-and-safety rules, including its prohibition on hazing, physical brutality, coerced consumption and other conduct associated with new-member activities.

Why it matters: It provides AEPi's own written hazing and safety standards to compare with the conduct described by Madison Police.
AEPi Supreme Constitution 24 pages · Alpha Epsilon Pi Fraternity, Inc.

In plain English

National governing document describing AEPi's organizational authority, including discipline of members and the ability to grant, suspend or revoke chapter charters.

Why it matters: It documents the authority AEPi International has over individual members and chapter charters.
AEPi 2032 — A Vision to Guide Our Actions 12 pages · Alpha Epsilon Pi

In plain English

AEPi's strategic plan discussing member development, health and safety, misconduct investigations, anti-hazing intervention, housing oversight and chapter support.

Why it matters: It records AEPi's own stated goals for hazing investigations, intervention, training, housing oversight and chapter safety.
AEPi Chapter Operations Guide 248 pages · Alpha Epsilon Pi

In plain English

A 248-page chapter operations guide addressing health and safety, hazing prevention, new-member education, executive-board responsibilities, events and crisis management.

Why it matters: It shows that AEPi had detailed written procedures for officers, new-member education, safety and crisis response.
AEPi Chapter Operations Binder 172 pages · Alpha Epsilon Pi

In plain English

Earlier AEPi chapter-operations material documenting officer duties, health-and-safety requirements, hazing policy and chapter administration.

Why it matters: It demonstrates that AEPi's written hazing-prevention and new-member rules existed years before the 2026 incident.
Rob's Report: Hazing 5 pages · Alpha Epsilon Pi

In plain English

AEPi leadership statement describing its anti-hazing education, new-member training and chapter-oversight practices, including review of new-member education plans.

Why it matters: It creates specific accountability questions because AEPi leadership says Regional Directors review new-member plans and members receive anti-hazing training.
Rob's Report: Building a Culture of Care 3 pages · Alpha Epsilon Pi

In plain English

AEPi leadership statement published months before the Madison incident describing the fraternity's approach to safety, wellness, hazing, alcohol abuse, sexual assault and other chapter risks.

Why it matters: It is a recent national AEPi statement about safety culture published only months before the Madison incident.
Pi Chapter of Alpha Epsilon Pi Fraternity — Wisconsin Corporate File 2 pages · Wisconsin Historical Society

In plain English

The Wisconsin Historical Society corporate index for the Pi Chapter. The archival file can contain incorporation papers, amendments, annual reports and documents showing historical changes in officers.

Why it matters: It identifies the Wisconsin corporate archive for the Pi Chapter and points to potentially deeper historical records about the chapter and its officers.

Law, Transparency & Property

Wisconsin Statute § 948.51 — Hazing 1 page · Wisconsin Legislature

In plain English

Wisconsin's criminal hazing statute. The law addresses conduct that endangers a student's physical health or safety for initiation, admission or affiliation with an organization.

Why it matters: This is the criminal hazing statute directly relevant to the hazing allegations cited by Madison Police.
Wisconsin Administrative Code — UWS Chapter 17 9 pages · Wisconsin Legislature

In plain English

Rules governing nonacademic student misconduct and disciplinary procedures within the Universities of Wisconsin.

Why it matters: UW specifically cited Wisconsin's nonacademic student-misconduct process when explaining how individual students could still face discipline.
Wisconsin Public Records — UW–Madison 2 pages · UW–Madison Office of Compliance

In plain English

University guidance explaining Wisconsin public-records access and how to request records from UW–Madison.

Why it matters: It explains the mechanism for obtaining additional university records about prior discipline, later allegations and the 2026 response.
Stop Campus Hazing Act 5 pages · United States Government

In plain English

Federal legislation establishing new campus hazing reporting and transparency requirements for colleges and universities.

Why it matters: It establishes current federal hazing-reporting and transparency requirements for colleges and universities.
112 Langdon Street Historical Photograph & Property Record 2 pages · Wisconsin Historical Society

In plain English

Historical record for the earlier structure at 112 Langdon Street. The archived photograph is identified by the Wisconsin Historical Society as no-copyright in the United States.

Why it matters: It provides historical context for 112 Langdon Street while making clear that the archived 1926 structure is not the present fraternity house.

Primary Source Images

Police & Langdon Street Images

Photographs published with the police release and historical records of the Langdon Street chapter house.

Police-released image from the AEPi basement during the September 23, 2026 investigation
Madison Police-released image associated with Case #2026-437753.
Alpha Epsilon Pi chapter house on Langdon Street in Madison
Current Langdon Street chapter-house image preserved in this archive.
Historical image associated with 112 Langdon Street
Historical Langdon Street material.
Additional historical image associated with 112 Langdon Street
Additional historical Langdon Street material.