Complex sentence: Callahan realizes that the victims and Parkins are friends of Jannings' son, Alby, and asks Bennett for information on them, while Parkins realizes that the rapists are being targeted and warns two others, Tyrone and Mick.
Split into simpler sentences: Callahan realizes that the victims and Parkins are friends of Jannings' son, Alby. He asks Bennett for information on them, while Parkins realizes that the rapists are being targeted and warns two others, Tyrone and Mick.