Michigan 2025-2026 Regular Session Status: Introduced 1 R cosponsors

HB 4508 — Crimes: penalties; mandatory life imprisonment for certain crimes in the penal code; modify for certain offenders. Amends secs. 16, 18, 200i, 204, 207, 209, 210, 211a, 316, 436, 520b & 543f of 1931 PA 328 (MCL 750.16 et seq.). TIE BAR WITH: HB 4506'25

Last action — placed on third reading

  1. 1
    Introduced
  2. 2
    In Committee
  3. 3
    Passed House
  4. 4
    Passed Senate
  5. 5
    To Executive
  6. 6
    Enacted

This bill has been introduced in the House. Introduced July 24, 2025. It must pass committee before a floor vote.

Next likely step: a committee referral and hearing.

Odds of enactment

Low chance

Based on the sponsor, cosponsors, and committee posture, this bill has a low chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Not enough signal yet

Not enough signal yet to read this bill's trajectory — we surface a likelihood only once there's real movement (stage, sponsorship, committee, or votes) to point to.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

Crimes: penalties; mandatory life imprisonment for certain crimes in the penal code; modify for certain offenders. Amends secs. 16, 18, 200i, 204, 207, 209, 210, 211a, 316, 436, 520b & 543f of 1931 PA 328 (MCL 750.16 et seq.). TIE BAR WITH: HB 4506'25

Bill Text

Action History

  1. placed on third reading

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 146 not signed on

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (146)

146 members have not signed on to this bill.

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"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Subjects

public-safety
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB 4508 do?
Crimes: penalties; mandatory life imprisonment for certain crimes in the penal code; modify for certain offenders. Amends secs. 16, 18, 200i, 204, 207, 209, 210, 211a, 316, 436, 520b & 543f of 1931 PA 328 (MCL 750.16 et seq.). TIE BAR WITH: HB 4506'25
Who sponsors HB 4508?
HB 4508 is sponsored by Sarah Lightner (Republican).
What is the current status of HB 4508?
This bill has been introduced in the House. Introduced July 24, 2025. It must pass committee before a floor vote.
Where can I track HB 4508?
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Last checked for changes 3 months ago · updated continuously

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