110,000. A huge amount.
It’s a lot. At the same time, it’s .03% of the population, or about .12% of the adult male population. Probably within statistical norms of the criminally insane population. These ones are worse than most because they mostly live and work among normal people and have to hide. They need to be hunted. If we have their IP address what is LE waiting for? Build a CECOT in the desert and get to it. After conviction confiscate their assets for restitution to the victims many of whom will need emotional love and social support.