The 12th suspect wanted in connection with a July 4 ambush that left a police officer wounded outside an ICE detention facility in Alvarado, Benjamin Hanil Song, is in custody, the Johnson County District Attorney and the FBI said Tuesday.

Authorities have issued a Blue Alert for Benjamin Hanil Song, wanted in a North Texas ICE facility ambush on July 4 that wounded an officer.

A Blue Alert was issued on Wednesday for a man accused of shooting an Alvarado police officer during an attack at a U.S. Immigration and Customs Enforcement detention facility on July 4, according to the Texas Department of Public Safety and the FBI.