Vehicles have back up systems and fans and alarms etc while the vehicle is running. and this one did so there needs to be a fail-safe check off the Top Funny Shirt on mountainteeshirt on 27/8/2019 to make sure they are working. If this car is equipped which it is and most are nowadays, this is tragic on all fronts. There are thousands and thousands of k9 officers and handlers across the country. Statistically, this is bound to happen. To think this is representative of the police or of the US is completely stupid and just makes it worse.