If they know his age, they must have a driver’s license or something.
They got him Jane!
They know who they were after. They probably want to ID the body to make sure it’s him.
Fox News says they had a tail on one suspect, this guy, for 24-36 hours before they caught him, that’s quite a bit of time. They must have had his identity. Caught him through the fed ex documents and cell phone triangulation per what one can see on police shows.