---
type: "Bill"
title: "Criminal procedure; creating Mackenzie's Law; preliminary hearings; show cause hearing; effective date."
description: "Criminal procedure; creating Mackenzie's Law; preliminary hearings; show cause hearing; effective date."
jurisdiction: "us/states/ok"
legislature: "Oklahoma Legislature"
session: "2022"
identifier: "HB 3648"
citation: "Oklahoma HB 3648 (2022)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dills", "Weaver"]
version_count: 10
action_count: 26
vote_count: 0
first_action: "2022-02-07"
last_action: "2022-05-16"
source: "openstates"
source_identifier: "ocd-bill/24691d63-2e4a-4576-84eb-f63718d69a2a"
source_url: "http://www.oklegislature.gov/BillInfo.aspx?Bill=HB3648&session=2200"
source_hash: "f086c9dc6ec679e6e3fa72d610b682c73b1587098a14ae0c424662fb2f908290"
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-ok"]
---

# Oklahoma HB 3648 (2022) — Criminal procedure; creating Mackenzie's Law; preliminary hearings; show cause hearing; effective date.

## Version chain

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

1. **Introduced** (filed) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 INT/hB/HB3648 INT.PDF)
2. **Amended And Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 AMENDMENTS/Amendment & Engr/HB3648 SAHB & ENGR.PDF)
3. **Committee Amendment** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE AMENDMENTS/Senate/HB3648 CA1.PDF)
4. **Engrossed** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENGR/hB/HB3648 ENGR.PDF)
5. **Enrolled (final version)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 ENR/hB/HB3648 ENR.PDF)
6. **Floor (House)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/HFLR/HB3648 HFLR.PDF)
7. **Floor (Senate)** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 FLR/SFLR/HB3648 SFLR.PDF)
8. **HB3648 FULLPCS1 SHEILA DILLS-GRS.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE AMENDMENTS/House/HB3648 FULLPCS1 SHEILA DILLS-GRS.PDF)
9. **HB3648 FULLPCS2 SHEILA DILLS-GRS.PDF** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE AMENDMENTS/House/HB3648 FULLPCS2 SHEILA DILLS-GRS.PDF)
10. **House Committee Substitute** (committee substitute) — [source](http://webserver1.lsb.state.ok.us/cf_pdf/2021-22 COMMITTEE SUBS/HCS/HB3648 CS.PDF)

## Sponsors

- Dills — primary (person)
- Weaver — primary (person)

## Timeline

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

- **2022-02-07** First Reading `introduction, reading-1`
- **2022-02-07** Authored by Representative Dills
- **2022-02-08** Second Reading referred to Rules `reading-2, referral-committee`
- **2022-02-14** Withdrawn from Rules Committee
- **2022-02-14** Referred to Judiciary - Criminal `referral-committee`
- **2022-03-03** CR; Do Pass, amended by committee substitute Judiciary - Criminal Committee `committee-passage`
- **2022-03-03** Authored by Senator Weaver (principal Senate author)
- **2022-03-14** General Order
- **2022-03-14** Third Reading, Measure passed: Ayes: 82 Nays: 0 `passage, reading-3`
- **2022-03-14** Referred for engrossment
- **2022-03-15** Engrossed, signed, to Senate `passage`
- **2022-03-15** First Reading `introduction, reading-1`
- **2022-03-24** Second Reading referred to Judiciary `reading-2, referral-committee`
- **2022-04-12** Reported Do Pass as amended Judiciary committee; CR filed `committee-passage`
- **2022-04-20** General Order, Considered
- **2022-04-20** Measure passed: Ayes: 42 Nays: 0 `passage`
- **2022-04-20** Referred for engrossment
- **2022-04-21** Engrossed to House `passage`
- **2022-04-21** SA's received
- **2022-05-11** SA's read, adopted
- **2022-05-11** Fourth Reading, Measure passed: Ayes: 84 Nays: 0 `passage`
- **2022-05-11** Referred for enrollment
- **2022-05-12** Enrolled, signed, to Senate
- **2022-05-12** Enrolled measure signed, returned to House
- **2022-05-12** Sent to Governor `executive-receipt`
- **2022-05-16** Approved by Governor 05/16/2022 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/24691d63-2e4a-4576-84eb-f63718d69a2a`. Confidence: reported (aggregated from official Oklahoma legislature records).