Bill
HB 3521
HB3521 bars unreliable custodial statements in homicide cases, requires early disclosure, a pretrial reliability hearing, and prosecutors to prove reliability by a preponderance.
Relating to inadmissibility of unreliable custodial statements in homicide prosecutions
Status: Enacted as Chapter 392 (2025 Laws). Governor signed June 24, 2025. Effective January 1, 2026.
Summary purpose
- HB 3521 creates a statutory procedure to exclude unreliable statements made by defendants during custodial interrogations conducted at a police station or other place of detention in prosecutions for homicide (applies in both criminal and juvenile court proceedings). The bill requires earlier disclosure by the prosecution, establishes a pretrial challenge procedure, sets the prosecutor’s burden to prove a statement’s reliability, and identifies factors a court should consider.
Where added
- Adds Section 5-401.7 to the Juvenile Court Act of 1987 (705 ILCS 405/5-401.7).
- Adds Section 103-2.3 to the Code of Criminal Procedure of 1963 (725 ILCS 5/103-2.3).
Key provisions
- Scope: Applies only to statements made during a “custodial interrogation” (defined as questioning a reasonable person would feel was in custody and that asks questions reasonably likely to elicit incriminating responses) conducted at a “place of detention” (e.g., police station).
- Inadmissibility: “Unreliable statements” made under those circumstances are inadmissible at trial in homicide prosecutions (criminal and juvenile).
- Prosecution disclosure/tendering: The State must timely disclose, prior to any relevant evidentiary hearing or trial, its intent to introduce such a statement and must tender any electronic recordings of the statement, documents about how it was obtained, and other evidence the State will rely on to establish reliability.
- Defense motion: Before trial, a defendant may move to exclude an alleged unreliable statement and must specifically identify the statement(s) challenged.
- Burden of proof: At the reliability hearing the prosecutor must prove, by a preponderance of the evidence, that the statement is reliable.
- Reliability factors: Courts should consider whether the statement’s details fit pre-interrogation evidence (especially unusual facts not public), whether it provided new corroborable details, whether facts were disclosed to the defendant rather than originating from the defendant, any recantation and its circumstances, whether the statement was electronically recorded, and any other relevant information.
Who is affected
- Defendants charged with homicide (including juvenile proceedings).
- Prosecutors (new disclosure and proof obligations).
- Law enforcement agencies (incentive to record interrogations and document circumstances).
- Judges (new gatekeeping role at pretrial reliability hearings).
- Victims’ families and the criminal justice system generally (potential changes in admissibility of statements and investigative practice).
Potential impacts and practical effects
- Increases prosecutorial pretrial disclosure and evidentiary obligations for custodial statements in homicide cases.
- Likely to encourage electronic recording and better documentation of interrogations to meet the preponderance burden.
- Provides a statutory mechanism for excluding coerced, fabricated, or otherwise unreliable confessions at an early stage, while leaving courts discretion to weigh listed reliability factors.
- Narrow in scope — limited to custodial interrogations at places of detention and to homicide prosecutions.
Legislative timeline (selected)
- Introduced: Feb 18, 2025 (Rep. Justin Slaughter).
- Committee hearings, amendments, and co-sponsors added through April–May 2025.
- Passed both chambers in June 2025; Governor signed June 24, 2025. Effective Jan 1, 2026.
Compiled from official sources — confirm details with the bill’s official record.
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