---
type: "Bill"
title: "Changes To Felony Murder"
description: "Under current law, it is a class 1 felony as it pertains to first degree murder if a person commits or attempts to commit certain specified felonies and the death of a person, other than one of the participants, is caused by anyone during the crime. The act changes the current law by:Moving the crime from first degree murder to second degree murder and changing the penalty from a class 1 felony to a class 2 felony that is subject to crime of violence sentencing;"
jurisdiction: "us/states/co"
legislature: "Colorado General Assembly"
session: "2021A"
identifier: "SB 21-124"
citation: "Colorado SB 21-124 (2021A)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Mike Weissman", "Pete Lee"]
version_count: 9
action_count: 16
vote_count: 2
first_action: "2021-02-25T07:00:00+00:00"
last_action: "2021-04-26T06:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/1508a316-d239-43f8-ba4c-e7a68779b420"
source_url: "http://leg.colorado.gov/bills/sb21-124"
source_hash: "94e1348a3399ab91445770343e29295d741f629ce27bf72558047bd396e47a6a"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-co"]
---

# Colorado SB 21-124 (2021A) — Changes To Felony Murder

Under current law, it is a class 1 felony as it pertains to first degree murder if a person commits or attempts to commit certain specified felonies and the death of a person, other than one of the participants, is caused by anyone during the crime. The act changes the current law by:Moving the crime from first degree murder to second degree murder and changing the penalty from a class 1 felony to a class 2 felony that is subject to crime of violence sentencing;

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Committee Amendment** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_sb124_h_jud_001.pdf)
2. **Engrossed (03/30/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124_eng.pdf)
3. **Final Act (04/16/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124_enr.pdf)
4. **Introduced (02/25/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124_01.pdf)
5. **PA1 (03/19/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124sjud_01.pdf)
6. **Reengrossed (03/31/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124_ren.pdf)
7. **Rerevised (04/13/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124_rer.pdf)
8. **Revised (04/12/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/documents/2021A/bills/2021a_124_rev.pdf)
9. **Signed Act (04/26/2021)** (committee substitute) — [source](http://leg.colorado.gov/sites/default/files/2021a_124_signed.pdf)

## Votes

- BILL — **38–27** (pass) · lower
- BILL — **22–13** (pass) · upper

## Sponsors

- Mike Weissman — primary (person)
- Pete Lee — primary (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2021-04-26T06:00:00+00:00** Governor Signed `executive-signature`
- **2021-04-16T06:00:00+00:00** Sent to the Governor `executive-receipt`
- **2021-04-16T06:00:00+00:00** Signed by the Speaker of the House
- **2021-04-16T06:00:00+00:00** Signed by the President of the Senate
- **2021-04-13T06:00:00+00:00** House Third Reading Passed - No Amendments `passage, reading-3`
- **2021-04-12T06:00:00+00:00** House Second Reading Passed - No Amendments `reading-2`
- **2021-04-07T06:00:00+00:00** House Committee on Judiciary Refer Unamended to House Committee of the Whole `committee-passage, referral-committee`
- **2021-04-01T06:00:00+00:00** Introduced In House - Assigned to Judiciary `introduction`
- **2021-03-31T06:00:00+00:00** Senate Third Reading Passed - No Amendments `passage, reading-3`
- **2021-03-30T06:00:00+00:00** Senate Second Reading Passed with Amendments - Committee `reading-2`
- **2021-03-29T06:00:00+00:00** Senate Second Reading Laid Over Daily - No Amendments
- **2021-03-25T06:00:00+00:00** Senate Second Reading Laid Over to 03/29/2021 - No Amendments
- **2021-03-24T06:00:00+00:00** Senate Second Reading Laid Over Daily - No Amendments
- **2021-03-23T06:00:00+00:00** Senate Second Reading Laid Over Daily - No Amendments
- **2021-03-18T06:00:00+00:00** Senate Committee on Judiciary Refer Amended to Senate Committee of the Whole `committee-passage, referral-committee`
- **2021-02-25T07:00:00+00:00** Introduced In Senate - Assigned to Judiciary `introduction`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/1508a316-d239-43f8-ba4c-e7a68779b420`. Confidence: reported (aggregated from official Colorado legislature records).