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Across this collection: 6 with a filterable recording date · 84 with date unestablished · 3 with saved transcript

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I4-YT-0004Idaho State Police interview

Jack DuCoeur Interview — 17 Nov 2022

Source / collection Law-enforcement interview · Records obtained by Julez of all Trades

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17 Nov 2022 · catalog dateRuntime: 1:22:41 released segmentTranscript saved
Source context & limitations

From I4-YT-0004. These are the existing catalog’s descriptions and labels; they do not establish participation, location, or the truth of an account.

Date as cataloged

17 Nov 2022

The date filter uses the stated recording or interview day. It is not the date of every event discussed. Timezone is not established.

Interviewee attribution

Jack DuCoeur

This field uses the archive’s explicit interview attribution, separately from general people labels.

People / source labels

  • Jack DuCoeur
  • Kaylee Goncalves
  • Madison ‘Maddie’ Mogen
  • Xana Kernodle
  • Ethan Chapin
  • Det. Sgt. Mike Van Leuven
  • Det. Rich Alderson
  • Ethan Chapin’s brother (not named)
  • Kaylee Goncalves’s sister (not named)
  • Unidentified rideshare driver
  • Unidentified man in Grub Truck footage
  • Unidentified fraternity sober driver
  • Unidentified friends and roommates
  • Moscow Police Department officers

Locations / source labels

  • Idaho State Police District 1 office
  • Corner Club
  • 1122 King Road
  • Grub Truck
  • Moscow, Idaho
  • University of Idaho
  • DuCoeur’s residence / fraternity house (redacted)
  • The Whites apartments
  • Palouse Properties
  • Austin, Texas
  • Lewiston, Idaho
  • Lewiston Grade
  • Neighboring residence / doorbell-camera location
  • Patrol car and curb near 1122 King Road

Existing catalog summary

An in-person Idaho State Police interview of Jack DuCoeur, Kaylee Goncalves’s former boyfriend, recorded at 10:03 a.m. on November 17, 2022. Detective Sergeant Mike Van Leuven and Detective Rich Alderson question DuCoeur about his relationship with Kaylee; his work, bar, ride, and sleep timeline on November 12–13; repeated calls and texts from Kaylee and Madison Mogen; his knowledge of Ethan Chapin and Xana Kernodle; access to 1122 King Road; knives; the house’s door code and locks; the victims’ social circle; and an unidentified rideshare driver. DuCoeur says he left the Corner Club at about 1:00 a.m., reached home shortly afterward, and was asleep around 1:20 a.m. Phone records shown during the interview reportedly include a 2:26 a.m. call from Kaylee that lasted 16.88 minutes; DuCoeur says he does not remember answering or speaking with her and suggests the connection may have been accidental. He also describes the next morning, when he saw police activity near 1122 King Road, approached the scene, and was later placed in a patrol car after identifying himself as Kaylee’s former boyfriend. The interview includes discussion of Grub Truck footage, a neighbor’s doorbell video, a black Baton vape, phone-log and text printouts, a sketch of the house, and the property’s keypad code. This record summarizes what the participants said and what the transcript reports they viewed; it does not independently establish the truth of every statement or the authenticity and completeness of each referenced exhibit.

Existing record notes

  • The supplied text labels itself an editorial best-guess transcript rather than a certified verbatim transcript. It resolves likely speech-recognition errors but retains [unclear] markers where confidence is low.
  • Digital redactions are preserved exactly as unavailable intervals and must never be reconstructed or treated as evidence of a specific subject.
  • The transcript’s spoken opening dates the interview to November 17, 2022. The uploader or earlier listing described November 21; the spoken date is used for this record, while the discrepancy remains unresolved.
  • Statements by DuCoeur are witness recollections, not independently verified facts. He reports drinking that night and says he does not remember the 2:26 a.m. connected call.
  • Investigators’ questions, assertions, and theories document the interview process; they do not by themselves establish a case fact or final investigative conclusion.
  • Phone and text printouts, Grub Truck imagery, the sketch, doorbell footage, and other referenced materials are described in the transcript but are not all attached here as native exhibits.
  • The released transcript ends at a recording break at 01:22:41 and may not represent the entire interview or every related recording.
  • Names of redacted or unidentified people are not inferred. Relationship labels are used only where the transcript supplies them.
  • Acquisition credit corrected following Julez of all Trades’s September 10, 2026 correction, approved by the archive owner. This credit identifies the records requester, not the issuing agency or the author of statements in the records.
  • The previously linked YouTube release was removed after a date-mismatch report. This page now links to the corresponding November 17 audio part. The existing editorial transcript explicitly identifies November 17; its timing has not been newly aligned against the replacement audio.
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I4-YT-0005Idaho State Police interview

Jack DuCoeur Interview, Continued — 17 Nov 2022

Source / collection Law-enforcement interview · Records obtained by Julez of all Trades

View record
17 Nov 2022 · catalog dateRuntime: 39:34 released segmentTranscript saved
Source context & limitations

From I4-YT-0005. These are the existing catalog’s descriptions and labels; they do not establish participation, location, or the truth of an account.

Date as cataloged

17 Nov 2022

The date filter uses the stated recording or interview day. It is not the date of every event discussed. Timezone is not established.

Interviewee attribution

Jack DuCoeur

This field uses the archive’s explicit interview attribution, separately from general people labels.

People / source labels

  • Jack DuCoeur
  • Kaylee Goncalves
  • Madison ‘Maddie’ Mogen
  • Xana Kernodle
  • Det. Sgt. Mike Van Leuven (continuity with Record 004)
  • Det. Rich Alderson / ‘Richard’ (continuity with Record 004)
  • Kaylee Goncalves’s sister (not named)
  • Unidentified rideshare driver
  • Neighbor who supplied camera access (identity redacted)
  • Carrie (surname not stated; verify transcription)
  • Tori (surname not stated; verify transcription)
  • Maddie’s boyfriend (‘Jim’ and later ‘Jeff’ in transcript; identity requires verification)
  • Maddie’s former boyfriend (name redacted or unclear)
  • ‘Joe’ (identity unclear; verify transcription)
  • Unidentified Instagram account user
  • Unidentified Twitter account user
  • Unidentified men who messaged Kaylee
  • Former 1122 King Road roommates (mostly redacted)
  • Unidentified WSU student boyfriend
  • Moscow Police Department investigators
  • FBI lead investigator (not named)

Locations / source labels

  • 1122 King Road
  • Moscow, Idaho
  • Idaho State Police District 1 office (continuity with Record 004)
  • Neighboring residence / home-security-camera location
  • Brooklyn, New York
  • Washington State University / Pullman area
  • Madison Mogen’s family residence (address redacted)
  • Kaylee Goncalves’s former second-floor bedroom
  • Kaylee Goncalves’s third-floor bedroom
  • Xana Kernodle’s bedroom

Existing catalog summary

This released segment resumes the November 17, 2022 interview of Jack DuCoeur at approximately 11:36 a.m. and continues the interview preserved in Record 004. The interviewers return to a neighboring home-security camera and screenshots that DuCoeur says show a vehicle arriving near 1122 King Road at approximately 1:56 a.m. and leaving roughly 50 seconds later. DuCoeur repeatedly qualifies that he cannot be certain the vehicle belongs to the rideshare driver, and says Moscow police were told where to obtain the video. Investigators then ask about access to the house, how widely the keypad code may have circulated, whether the exterior doors were normally locked, and whether the code may have remained unchanged from the prior year. The discussion expands to Madison Mogen’s background, relationships, former roommates, and people connected to Madison and Kaylee Goncalves. DuCoeur describes an anonymous Instagram account that allegedly asked whether he was still dating Kaylee and later offered to pay for intimate images. He also recounts hearing that Madison had received a possibly similar message and that Madison’s boyfriend received a Twitter message saying people were ‘coming for’ him. Those allegations are witness reports and are not authenticated by this transcript. Later, DuCoeur describes summer living arrangements at 1122 King Road, messages Kaylee allegedly received from another man, prior residents, and Kaylee’s move from the second-floor bedroom later occupied by Xana Kernodle to a third-floor bedroom about two months earlier. The segment closes at approximately 12:15 p.m. when an interviewer stops for another break. The transcript contains extensive digital redactions, unresolved speaker boundaries, and uncertain names; it documents investigative questions and witness recollection, not proven findings.

Existing record notes

  • This source is a continuation of Record 004, but it is preserved as a separate record because it has a different YouTube URL and released segment.
  • The supplied text identifies itself as an editorial best-guess transcript, not a certified verbatim transcript. Low-confidence wording and unresolved speaker boundaries remain marked.
  • Digital redactions are preserved and are not reconstructed. Several names, organizations, addresses, and relationship details are unavailable.
  • The segment does not independently identify every interviewer. Van Leuven and Alderson are carried as continuity context from Record 004; ‘Richard’ is mentioned near the end, but the identity should be checked against the native recording.
  • Names such as Carrie, Tori, Jim, Jeff, and Joe are rendered by the transcript but may be incomplete, inconsistent, pseudonymous, or affected by speech-recognition error. Do not merge them with known people without verification.
  • The neighbor-camera vehicle identification is expressly uncertain. Timing similarity alone does not establish that the vehicle belongs to the rideshare driver or is connected to the homicides.
  • Anonymous Instagram and Twitter messages may be harassment, rumor, fraud, or case-related communication. Their existence and content require native records and platform data before they are treated as authentic evidence.
  • Investigators’ questions about access, relationships, possible motives, and former residents represent investigative avenues rather than established findings.
  • The released segment ends at a break and may not represent the complete continuation of the interview.
  • Acquisition credit corrected following Julez of all Trades’s September 10, 2026 correction, approved by the archive owner. This credit identifies the records requester, not the issuing agency or the author of statements in the records.
  • The previously linked YouTube release was removed after a date-mismatch report. This page now links to the corresponding November 17 audio part. The existing editorial transcript explicitly identifies November 17; its timing has not been newly aligned against the replacement audio.
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