David Lawrence was sitting in Harvard Law School when a campus shooting and the ensuing controversy over police conduct made him realize something fundamental: officers make split-second decisions based on thousands of pages of policy they’re expected to have memorized. That’s a recipe for error. So he dropped out, teamed up with former Google engineer Amit Patankar and retired Boston police deputy chief Michael Gropman, and built Blue Voice — an AI platform that gives officers real-time access to department-specific rules, laws, and protocols.
Three years in, the Boston startup is emerging from stealth with $6 million in funding led by SignalFire and Las Olas VC. The traction is real: 225 county agencies across 25 states now use the tool daily, and Lawrence says the customer base grew elevenfold in the past year. Officers ask Blue Voice a question every minute, and the platform answers by pointing them to the original regulations rather than generating a response the way ChatGPT would. That distinction matters — Lawrence claims consumer AI models deliver incorrect answers up to 30% of the time for police-specific queries, while Blue Voice is trained on local ordinances and protocols that never make it onto the public internet.
Lawrence frames Blue Voice as the law enforcement equivalent of Harvey for lawyers or OpenEvidence for doctors. The use cases are concrete. A rookie officer recently spotted a man pressuring a young girl into a vehicle and wasn’t sure he had legal grounds to intervene. Blue Voice confirmed the situation met the criteria for child enticement, giving him immediate authority to act. In another case, the tool reminded a department chief that an officer involved in a shooting couldn’t return to duty without a third-party mental health evaluation.
Blue Voice competes with PE-backed Lexipol at a moment when police use of AI — think Flock Safety’s license plate readers — is drawing sharp criticism from privacy advocates. Lawrence’s pitch is that properly deployed AI can improve public safety without eroding civil rights, and the tool’s design reflects that philosophy: it surfaces the law and leaves the final call to the officer. Whether that distinction holds up under scrutiny from civil liberties groups remains an open question, but with 225 agencies already on board, Blue Voice has clearly found a pain point that departments are willing to pay to solve.