it's a friend of yours. someone you've worked side by side with. >> the shooter's girlfriend arrives and tries to persuade the gunman to give up. >> she called him. had a nickname. bubby, come out, come out. >> bubby, i love you. >> but her pleas go unanswered. >> he never responded. his only response was with his shotgun. [ gunshots ] >> he opens fire and an intense gun battle erupts. the exchange of fire from only a few yards apart is up close and personal. >> patrolman jeremy blum is hit in the arm. sheriff kelly scrambles into the line of fire and pulls the patrolman back to safety. >> i grabbed them and pulled him back behind the camper to cover and deputies continued to return fire.