Not sure how long are recordings kept but maybe these are just fake ones for show but still used by the popo for a confession. Inb4 neet kid was a genius hacker and deleted/changed the configuration, etc2.
This is retarded. I don't expected them to be like the families of 3rd world countries where you already have a set plan for what to do in the case of a family member committing murder, but geez... they might as well just scream they did it.