A man charged with tampering with evidence in connection to the ambush on a U.S. Immigration and Customs Enforcement (ICE) detention center in Texas allegedly tried to conceal anti-government and anti-Trump documents.

Newly revealed court filings show what went into an attack on an ICE detainment facility that left an officer with a gunshot wound to the neck.

Benjamin Song, 32, is wanted by the FBI in connection with an attack on the Fourth of July outside the Prairieland Detention Center in Alvarado.

The FBI is conducting a manhunt for a former Marine Corps reservist who has been charged in last week's ambush at an ICE facility in Texas.

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

ALVARADO, Texas — New videos obtained by WFAA show the frantic police response after an Alvarado Police officer was shot in the neck in an attack prosecutors describe as a coordinated ambush outside an Immigration and Customs Enforcement (ICE) detention center on the Fourth of July.

Rewards totaling $35,000 have been offered for information leading to the apprehension of a wanted man allegedly involved in a planned ambush of federal and local law enforcement officers at a U.S. Immigration and Customs Enforcement detention facility in North Texas.