Investigators are probing the connections between suspects charged in Independence Day attack against ICE agents at the Prairieland Detention Center in Alvarado, Texas.

Since then, acting U.S. Attorney for the Northern District of Texas Susan Larson provided more details about an attack that occurred around 11 pm on July 4 at the ICE Prairieland Detention Center in Alvarado, Texas. The facility, which opened in 2017, is owned by the City of Alvarado, operated by LaSelle Corrections and has a 707-bed capacity.

This type of vigilante lawlessness is emblematic of the dangers federal, state, and local law enforcement officials face every day,’ an official says.