The FBI and Texas DPS are asking for the public's help in the search for Benjamin Song, accused of shooting an officer in the Alvarado ICE attack.

Oklahoma Highway Patrol issues Blue Alert in connection with July 4 ambush in Texas. Benjamin Hanil Song, considered armed and dangerous, on Texas' 10 Most Wanted.

He is wanted in connection with a July 4 attack on the U.S. Immigration and Customs Enforcement (ICE) Detention Facility in Alvarado, Texas, where an Alvarado police officer was shot.