If it had been a Roy Rogers concert, he would have pulled his trusty Winchester from Trigger’s saddle and laid down a barrage of gunfire back at the shooter for the few minutes it would take for Bullet to run to the hotel and up to the 30+ stairs, smash through the hotel room door and maul on the overwhelmed shooter until Dale can get there with her lasso to tie the murderer up.
Then it would all be on their TV show the next week for all of us to see!