Missouri 2026 Regular Session Status: In Committee 1 D cosponsors

HB 3459 — HOMICIDE INVESTIGATIONS

Last action — Referred: Emerging Issues(H)

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

This bill is in committee in the House. Introduced February 26, 2026. It must pass committee before a floor vote.

Next likely step: a committee vote, then a floor vote in the House.

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

Stalled 16% · moderate confidence

  • In Committee

    Current position in the legislative process.

  • 1 sponsor

    1 primary, 0 co-sponsors signed on.

  • Single-party support

    Sponsorship is currently within one party (1 D).

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

In plain language

The bill establishes standards for law enforcement in homicide investigations.

This bill, known as 'Preston's Law,' sets specific conduct standards for law enforcement officers during homicide investigations. The details of these standards are not available as the bill text is not provided.

Summary

Establishes "Preston's Law" which establishes standards of conduct for law enforcement officers when conducting homicide investigations

Bill Text

We don't have the full text on file for this bill yet.

Read HB 3459 on the official Missouri source →

Action History

  1. Referred: Emerging Issues(H)

  2. Read Second Time (H)

  3. Introduced and Read First Time (H)

Sponsors

Sponsorship breakdown

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1 sponsors · 0 co-sponsors · 198 not signed on

Sponsors (1)

Co-sponsors (0)

None.

Not signed on (198)

198 members have not signed on to this bill.

Show all 198 →

"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 3459 do?
Establishes "Preston's Law" which establishes standards of conduct for law enforcement officers when conducting homicide investigations
Who sponsors HB 3459?
HB 3459 is sponsored by Yolonda Fountain Henderson (Democratic).
What is the current status of HB 3459?
This bill is in committee in the House. Introduced February 26, 2026. It must pass committee before a floor vote.
Where can I track HB 3459?
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Last checked for changes 3 months ago · updated continuously

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