Prosecutors have twice charged law enforcement officers for inaction during school shootings. Juries aren’t buying it.

By Elise Hammond, CNN (CNN) — Since the mass shooting at Columbine High School in 1999, the law enforcement protocol for responding to active shootings is to stop the attacker as quickly as possible. Yet twice in recent years — in Parkland, Florida, and in Uvalde, Texas — school police officers have allegedly failed to