911 Call Transcript Analysis Built for Criminal Defense Attorneys
Upload the 911 audio from your discovery dump and get timestamped, diarized transcripts with an AI evidence agent that answers your questions with citations to the exact second of the call.
Why 911 Call Review Is a Silent Case-Killer for Defense Teams
- The exculpatory 911 moment is buried in 100+ hours of case media — A single felony case can bury the 911 call inside dozens of discovery files — bodycam from three responding units, interrogation footage, weeks of jail calls, and scanned police reports. 29% of legal professionals report collecting more than 100 hours of audio/video per case, and 55% of cases involve 50 or more hours of evidence. The exculpatory moment in a 911 call — the caller describing the door as open, the description that doesn't match your client — is easy to miss when you're scrubbing raw audio at 1 a.m. between preliminary hearings. Traditional discovery review workflows weren't built for this volume.
- Caller statements vs. police reports — nobody has time to cross-check every file — The strongest impeachment material in a criminal case is often the gap between what the caller said on the 911 line and what the officer wrote in the police report. But manual cross-referencing of a police report against bodycam footage and call audio is exactly why 34% of legal professionals spend 60+ hours per case reviewing evidence — including 7% who spend more than 200 hours. Missing one report-vs-bodycam inconsistency can change the outcome for your client, and 49% of legal teams report spending 40+ hours per case just on evidence review.
- Overloaded defenders triage discovery — and the 911 call loses — National caseload standards dating to 1973 don't account for digital discovery like 911 audio, bodycam footage, and jail-call dumps. Public defenders carrying felony caseloads far above recommended standards are forced to triage, and 47% of legal professionals report delays in legal proceedings and deadlines as a result. Under flat-fee arrangements, every hour spent replaying audio hunting for a disputed statement is pure margin erosion — and under indigent defense contracts, it's uncompensated entirely. Something in the file always goes unreviewed, and too often it's the audio nobody had time to listen to.
Why Defense Attorneys <span class="gradient">Trust the Citations</span>
- Impeachment material you can point to — Every AI answer cites the exact source moment — the precise second of the 911 call or the page of the police report PDF — so cross-exam prep starts from a review signal with both sides' quotes and suggested questions tied to quoted sources, never paraphrase. When the officer's report says the caller described a forced entry but the timestamped transcript shows otherwise, you click through to the exact second and you have your cross. 88% of legal professionals say AI that identifies themes and inconsistencies across case files saves them time, and 54% expect to get 1-20 hours back per case.
- Preliminary-hearing prep in a fraction of the time — Generate a one-click grounded case brief with evidence inventory, key moments, inconsistencies, and follow-ups — or run the Miranda Timeline playbook to build a chronological custodial-interrogation timeline, and the Suppression Motion Prep playbook to sweep consent, search scope, stop duration, K-9, and Miranda issues with both sides quoted and cited. Preliminary-hearing prep that used to take a weekend of scrubbing footage becomes a review of a grounded markdown brief with clickable citations. 83% of legal professionals respond faster to clients with AI research capabilities.
- Ethics-safe by design — Every AI output is marked AI-generated and pending human review — the product never makes legal conclusions or credibility judgments. Auto-signals compare each new file against earlier evidence in the case and surface candidate inconsistencies as unreviewed review signals before anyone asks; nothing is ever auto-applied. Redactions — frame-accurate video, word-level audio, image, and PDF — create new derived files while originals stay immutable, and every action is audited. That keeps your discovery turnover, Brady/Giglio review, and exhibit handling defensible under your ethical obligations.
What's included
- Timestamped, diarized transcription of 911 calls, jail calls, and bodycam audio with word-level timestamps and one-click speaker renaming across every segment
- AI evidence agent with full-text search across transcripts and documents — every answer carries a clickable citation seeking the exact video moment or PDF page
- Auto-signals on ingest: candidate inconsistencies between the police report, 911 call, and bodycam footage surface as unreviewed review signals before anyone asks
- Cross-exam drafts from review signals: suggested questions only, each tied to a quoted source, saved as attorney-review notes with no credibility conclusions
- Audio redaction: pick the exact spoken words to mute — every redaction is a new derived file, originals are never touched, and every action is audited
- Exhibit pack export: video clips, still frames, quoted excerpts, and a MANIFEST.md citation index — gated by per-member export permission
Quick wins
- Email the discovery dump straight to your case's inbound address — bodycam, jail calls, and scanned police reports up to 2 GB ingest automatically, so evidence stops sitting in a download portal nobody has time to open.
- Use full-text search across transcripts and OCR'd documents to pull every mention of a key witness or address across the whole case in seconds instead of re-reading every PDF.
How it works
- Upload the discovery dump — Create a case and upload 911 audio, bodycam video, jail calls, and police report PDFs — up to 2 GB per file, by web upload, email attachment, or your case's inbound email address.
- Get transcripts and auto-signals — Deepgram Nova transcription with speaker diarization and word-level timestamps runs automatically, and every new file is compared against earlier evidence — candidate inconsistencies between the 911 call and the police report surface as review signals before you ask.
- Interrogate the call with citations — Ask the AI evidence agent questions and follow clickable citations to the exact second. Extract clips, draft cross-exam questions from review signals, and export an exhibit pack with a MANIFEST.md citation index for court.
How Evidence Copilot Turns 911 Audio Into a <span class="gradient">Citable Transcript</span>
- Timestamped, diarized 911 call transcripts with word-level accuracy and one-click speaker renaming across every segment
- AI evidence agent answers questions about the call with clickable citations to the exact second — never a legal conclusion, always marked for human review
- Auto-signals on ingest compare the 911 call against the police report and bodycam footage, surfacing candidate inconsistencies as unreviewed review signals
Why we're different
- Every AI answer cites the exact second of the 911 call it came from
- Speaker diarization with one-click renaming propagated across all segments
- Auto-signals compare the 911 call against the police report on ingest
- AI output always marked AI-generated and pending human review
- Originals are immutable — every redaction is a new derived file
- Published pricing, no sales wall: Solo at $39/user/mo
- Two-way email intake turns attachments into evidence with cited answers
- MCP server integration with Claude Desktop — no defense-side competitor has one
Built for US criminal-defense attorneys, law clerks, investigators, and public-defender offices — every AI answer cites the exact source moment it came from, and every plan includes the full workspace with no feature tiers.
What clients say
I asked the evidence agent what the caller actually said about the door, and the answer linked me to the exact second of the 911 call. The police report said something different. That inconsistency became my cross, and every question in the draft was tied to a quoted source.
— Dana Whitfield
The diarized transcript with one-click speaker renaming saved my clerk hours on a case with three jail calls and a 911 recording — renaming a speaker propagated across every segment. Every AI answer was marked pending review, which is exactly how it should work.
— Marcus Bellamy
Auto-signals flagged the gap between the 911 call and the responding officer's report before anyone on our team had listened to the audio. We run every custodial-interrogation case through the Miranda Timeline playbook now, and the case brief gives new attorneys a grounded starting inventory on day one.
— Priya Raghavan
Frequently asked questions
How does this compare to JusticeText or transcribing with Whisper myself?
JusticeText runs about $1,200/attorney/year and has documented transcription-quality complaints; Evidence Copilot's PD Office tier is $750/attorney/year with 100 media-processing hours included. Versus the DIY Whisper stack, you get speaker diarization with QC, clickable citations to the exact moment, auto-signals comparing evidence, redaction with an audit trail, and exhibit exports — the free stack breaks at case scale because it has none of that.
Book a 20-minute walkthrough with your own discovery files, or start on the Solo plan at $39/user/mo — published pricing, no sales wall.