I don't they necessarily need other evidence for the time. The article and most of the comments here are focussing on its inaccuracy in geolocation and classifi

I don't they necessarily need other evidence for the time. The article and most of the comments here are focussing on its inaccuracy in geolocation and classification, but it seems to be an accurate recording of loud sounds that ring out across the city. A high false positive rate actually works against the suspect. He needs it to have missed one.