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Missouri Senate Bill 1186 eliminates judicial sentencing of death when juries deadlock in first-degree murder trials

Original title: Modifies provisions relating to jury instructions for the offense of murder in the first degree

Last action · January 27, 2026: Second Read and Referred S General Laws CommitteeSponsor: Mary Elizabeth Coleman

Introduced
Committee
Floor Vote
Passed
Law

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What This Bill Would Do

Senate Bill 1186 removes the provision allowing a judge to impose the death penalty when a jury is unable to agree on punishment in a first-degree murder trial. Under the bill, a deadlocked jury will result in a mandatory sentence of life imprisonment without parole. The measure applies to offenses committed on or after August 28, 2001.

Why it matters

Changes how sentencing is finalized in first-degree murder cases where juries cannot reach a unanimous decision, shifting sole authority for imposing the death penalty away from judges in deadlock scenarios.

Background
  • Mary Elizabeth Coleman is a Republican member of the Missouri Senate representing District 22. context
  • Under prior Missouri law, if a sentencing jury deadlocked in a first-degree murder case, the trial judge held the option to sentence the defendant to death. context

Who It Would Affect

Groups the bill's text would affect if enacted, as described in the record. Being affected is not a position for or against it.

Directly affected

defendants charged with murder in the first degree

Defendants face a mandatory sentence of life imprisonment without parole rather than potential judicial imposition of the death penalty if their jury deadlocks.

Directly affected

judges

Judges lose the statutory authority to impose a death sentence when a sentencing jury fails to reach an agreement.

Key Facts

You don't have to trust us. Each fact below is taken straight from the official document - click any one to see the exact passage, highlighted in the original.

Frequently Asked Questions

What happens if a jury cannot agree on a sentence in a first-degree murder trial under this bill?
The court must assess and declare the punishment at life imprisonment without eligibility for probation, parole, or release except by act of the governor.
Can a judge still independently choose to impose the death penalty if the jury deadlocks?
No, this act repeals the provision allowing a judge to decide upon a punishment of death if the jury is unable to agree.

What else do you want to know?

News Coverage

No news coverage found yet. Articles are indexed twice daily.

Where This Stands

Currently in committee. The next step in the legislative lifecycle is Floor Vote.

Procedural history

3 actions
  1. Jan 27, 2026SenateFloor
    Second Read and Referred S General Laws Committee
  2. Jan 7, 2026SenateIntroduced
    S First Read
  3. Dec 1, 2025Senate
    Prefiled

Version history

Only one version on file - nothing to compare yet. The text on record is the 4688S.01I - Introduced version. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.

View official text →

Lobbying Activity

No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.

Full breakdown

Who this bill affects and the strongest case for and against it, written only from the bill’s own text.

Sponsors

Discoveries

1 pattern noticed across the record

Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.

cross reference99% confidence

Repeated Legislative Filing Pattern

The official summary notes that this act is identical to bills filed across numerous prior legislative sessions dating back to 2018.

Connected Entities

General Assembly, Mary Elizabeth Coleman
OrganizationGeneral Assembly“The state legislature enacting the law”Map →
PersonMary Elizabeth Coleman“Senator representing District 22 and sponsor of Senate Bill 1186”Map →

Sources

Open source document

www.senate.mo.gov

Analysis Score

0–100
  • Significance75
    How much this matters to a regular citizen
  • Controversy85
    Intensity of disagreement among stakeholders
  • Entertainment10
    Compellingness for a non-policy-wonk reader
  • Buzz40
    Current news / social attention level

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