That's no empirical study. It's anecdote from one police department, and who knows what software they use. In the best case, maybe some 5-6 year old academic p

That's no empirical study. It's anecdote from one police department, and who knows what software they use. In the best case, maybe some 5-6 year old academic project that got commercialized. In the worst case, maybe something their nephew who's really good with computers wrote ("its own software" suggests some bespoke thing, which makes the latter more likely).