An officer involved in the operation to support the arrest of El Chapo's son Ovidio Guzman Lopez last month was murdered by a hail of 155 bullets. The arrest of El Chapo's son led to a shootout between the Sinaloa cartel and the police. Police later released Lopez after chaos engulfed the city of Culiacan. 

The incident was caught on surveillance footage that was released by the Mexican newspaper Excelsior. The officer, named by police only as Eduardo N., can be seen pulling up in a white car, and he's followed by a red SUV. Two men are seen getting out of the SUV and firing rapidly at Eduardo's car at close range. Within seconds, the men jump back in their car and leave. No arrests have been made.