K-9 Down (S09E02)

In Wisconsin, a courageous K-9 heroically apprehends an armed fugitive, ultimately saving the lives of officers but suffers a gunshot wound to the head. Meanwhile, in Connecticut, a patrol officer finds himself in peril as he is shot at during a robbery at a local store. Additionally, in Oklahoma, a deputy's involvement in a head-on crash triggers an extensive manhunt in search of the fleeing suspect.