Illinois HB 4105: ARREST-IMMIGRATION STATUS

Status: Referred to Rules Committee (as of 2025-10-15)

State: Illinois · Session: 104th · Bill: HB 4105

Sponsors: Tom Weber

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104TH GENERAL ASSEMBLY 
State of Illinois 
2025 and 2026
HB4105

Introduced 10/15/2025, by Rep. Tom Weber 

SYNOPSIS AS INTRODUCED:

5 ILCS 805/35 new

725 ILCS 5/107-2 from Ch. 38, par. 107-2

 Amends the Code of Criminal Procedure of 1963. Provides that notwithstanding any other law to the contrary, a peace officer who arrests a person for a felony and reasonably believes that the person arrested is residing in the United States in violation of the federal Immigration and Nationality Act, may inquire about the immigration status of the person arrested. Provides that the peace officer may notify U.S. Immigration and Customs Enforcement of the person's arrest and pending prosecution when the peace officer reasonably believes that the person arrested for a felony is residing in the United States in violation of the federal Immigration and Nationality Act. Provides that upon request from any federal agency, law enforcement agencies shall provide known immigration status of any person arrested or charged with a felony. Amends the Illinois TRUST Act to make conforming changes.

LRB104 14615 RLC 27757 b

A BILL FOR

HB4105LRB104 14615 RLC 27757 b

1 AN ACT concerning criminal law.

2 Be it enacted by the People of the State of Illinois, 

3represented in the General Assembly:

4 Section 5. The Illinois TRUST Act is amended by adding 

5Section 35 as follows:

6 (5 ILCS 805/35 new)

7 Sec. 35. Construction. Nothing in this Act shall be 

8construed to prohibit a peace officer or law enforcement 

9agency from taking any action authorized under subsection (5) 

10of Section 107-2 of the Code of Criminal Procedure of 1963.

11 Section 10. The Code of Criminal Procedure of 1963 is 

12amended by changing Section 107-2 as follows:

13 (725 IL

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