Blue Alerts are issued to help catch people who are believed to have wounded or killed local, state or federal law enforcement officers. Here are the criteria for a Blue Alert: A law enforcement officer must have been killed or seriously injured by an offender.

As the state mourns the deaths caused by the floods, the disaster is drawing attention to the effectiveness of the Blue Alert system.

Benjamin Hanil Song is accused of shooting an Alvarado police officer during an attack on the Prairieland Detention Center.

Texas is one of several states that use Blue Alerts, but what is it, and how does it differ from AMBER Alerts?