The FBI will treat the reincarnates as people of interest. They will not consider the reincarnates allies OR enemies. Basically the FBI will begin as a neutral party with a healthy dose of "what the hell is going on?"

Their opinion on the reincarnates, at the moment, will be influenced by the way the reincarnates present themselves.

Can you give us a basic rundown of how the Dive Machine and Miranda creating her own magic based on her emotions work?