FORT LAUDERDALE, Fla. — Some might call Karl Hirsch a hero. A Fort Lauderdale cop, Hirsch used his patrol cruiser to help stop a moving car that had two little girls in the backseat and no driver. But instead of praise, Hirsch got a 20-hour unpaid suspension. The Jan. 26 incident caused no injuries, but triggered an Internal Affairs investigation ordered by Police Chief Patrick Lynn. On May 24, Internal Affairs investigators notified Hirsch he was being investigated for potentially violating department policy by “carelessly, negligently or intentionally causing waste, loss or damage to any city property.” In the process...