A Texas Department of Public Safety special agent died Friday following a crash while attempting to arrest six Undocumented Aliens (UDAs).

DPS Special Agent Anthony Salas was conducting tactical operations in Maverick County on Jan. 21 as part of a DPS Special Operations Group working with US Border Patrol when he was involved in an accident near Eagle Pass, KXAN reports.

Federal and State law enforcement officers at the scene immediately began CPR before transporting Special Agent Salas to the hospital in Eagle Pass, where he was airlifted to University Hospital in San Antonio, according to a social media post by the Texas Department of Public Safety Officers Association. At approximately 11:30 a.m. Saturday, Special Agent Salas succumbed to his injuries with his family by his side. Special Agent Salas, 37, joined the Department in 2013 and was stationed in El Paso. He was a Trooper with the Texas Highway Patrol before promoting to CID Special Agent. Special Agent Salas served in the United States Marine Corps before joining DPS. The U.S. Border Patrol Agent with Special Agent Salas is receiving assistance from peer support. The six UDAs were treated for non-life-threatening injuries and turned over to the Border Patrol.