---
type: "Bill"
title: "Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization"
description: "Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2025"
identifier: "HB 301"
citation: "Maryland HB 301 (2025)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Moon"]
version_count: 4
action_count: 15
vote_count: 3
first_action: "2025-01-09"
last_action: "2025-04-22"
source: "openstates"
source_identifier: "ocd-bill/caa182ae-61af-4e70-8aa3-5650925c88bc"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0301?ys=2025RS&search=True"
source_hash: "26f5f44d73c86ba477b9b1bfcbf4f65dbf978200f6ddba3141e13744624b97df"
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-md"]
---

# Maryland HB 301 (2025) — Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization

## Version chain

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

1. **Chapter - Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/Chapters_noln/CH_135_hb0301e.pdf)
2. **Enrolled - Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0301e.pdf)
3. **First - Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0301f.pdf)
4. **Third - Criminal Procedure - Forensic Genetic Genealogical DNA Analysis and Search - Affidavit for Judicial Authorization** (committee substitute) — [source](http://mgaleg.maryland.gov/2025RS/bills/hb/hb0301t.pdf)

## Votes

- On Third Reading — **136–0** (pass) · lower
- On Third Reading and Final Passage (Hse concurred) — **138–0** (pass) · lower
- On Third Reading (Amend) — **45–0** (pass) · upper

## Sponsors

- Moon — primary (person)

## Timeline

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

- **2025-01-09** First Reading Judiciary `referral-committee`
- **2025-01-17** Hearing 2/04 at 1:00 p.m.
- **2025-03-12** Favorable Report by Judiciary `committee-passage-favorable`
- **2025-03-12** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2025-03-13** Third Reading Passed `passage`
- **2025-03-14** Referred Judicial Proceedings `referral-committee`
- **2025-03-15** Hearing 3/19 at 1:00 p.m.
- **2025-04-04** Favorable with Amendments Report by Judicial Proceedings `committee-passage-favorable`
- **2025-04-04** Favorable with Amendments { `committee-passage-favorable`
- **2025-04-04** Second Reading Passed with Amendments
- **2025-04-04** Third Reading Passed `passage`
- **2025-04-07** House Concurs Senate Amendments
- **2025-04-07** Third Reading Passed `passage`
- **2025-04-07** Passed Enrolled
- **2025-04-22** Approved by the Governor - Chapter 135 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/caa182ae-61af-4e70-8aa3-5650925c88bc`. Confidence: reported (aggregated from official Maryland legislature records).