"During this attack, an Alvarado Police Officer was shot and wounded," according to the FBI notice. "On July 9, a federal arrest warrant was issued for Song in the United States District Court, Northern District of Texas,

Benjamin Hanil Song, a former Marine reservist, is wanted in connection with the coordinated July 4 attack, according to authorities.

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.