They must know who they’re looking for. If Officer Gliniewicz radioed he was chasing them he must’ve read their car license.
Let’s hope that information will be useful to them. From some of the TV reports, it sounds as if the suspects might be on foot. There are a lot of areas they could disappear into up there.
He was investigating the scene of possible robbery. They are investigating that scene too. Hopefully they will get finger prints or find their vehicle