I'm sure that many do. But that is not entirely what is in question here. So, I'll cut to the point. Let's say an off duty cop goes into a bar. Since a blood alcohol level of .08 is considered drunk driving, what blood alcohol level would you be comfortable with if an off duty officer is armed and drinking in a bar?
Plenty of cops play sports. For instance softball. They leave guns in the car. Think about it. How would you keep track of a firearm while playing?
He could blow a point two for all I care so long as he can draw quickly and put a third eye in a creep like the one in the story.