---
type: "Bill"
title: "Criminal Procedure - Cell Site Simulator"
description: "Criminal Procedure - Cell Site Simulator"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "HB 499"
citation: "Maryland HB 499 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Carr", "Conaway", "Fraser-Hidalgo", "Grammer", "Moon", "Shetty"]
version_count: 3
action_count: 12
vote_count: 1
first_action: "2020-01-24"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/2d435dc8-1e6b-4347-986a-e40d64b029bd"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0499?ys=2020RS&search=True"
source_hash: "fe4a5ab9f52e382355432d1845a55bc45bc7f8a9f2268a005ba95436c03b4cc6"
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 499 (2020) — Criminal Procedure - Cell Site Simulator

## Version chain

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

1. **Chapter - Criminal Procedure - Cell Site Simulator** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_222_hb0499t.pdf)
2. **First - Criminal Procedure - Cell Site Simulator** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0499f.pdf)
3. **Third - Criminal Procedure - Cell Site Simulator** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0499t.pdf)

## Votes

- On Third Reading — **132–4** (pass) · lower

## Sponsors

- Carr — primary (person)
- Conaway — primary (person)
- Fraser-Hidalgo — primary (person)
- Grammer — primary (person)
- Moon — primary (person)
- Shetty — primary (person)

## Timeline

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

- **2020-01-24** First Reading Judiciary `referral-committee`
- **2020-01-24** Hearing 2/11 at 1:00 p.m.
- **2020-02-24** Favorable with Amendments Report by Judiciary `committee-passage-favorable`
- **2020-02-25** Favorable with Amendments { `committee-passage-favorable`
- **2020-02-25** Second Reading Passed with Amendments
- **2020-02-27** Third Reading Passed `passage`
- **2020-02-28** Referred Judicial Proceedings `referral-committee`
- **2020-03-14** Favorable Report by Judicial Proceedings `committee-passage-favorable`
- **2020-03-14** Favorable Adopted Second Reading Passed `committee-passage-favorable`
- **2020-03-15** Third Reading Passed `passage`
- **2020-03-16** Returned Passed
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 222 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2d435dc8-1e6b-4347-986a-e40d64b029bd`. Confidence: reported (aggregated from official Maryland legislature records).