Authorities have not provided details about the motive of the shooter who opened fire on Border Patrol agents at an annex site in Texas Monday.

Benjamin Hanil Song was charged with three counts of attempted murder and three counts of discharging a firearm during a violent act, the FBI announced Wednesday.

Benjamin Hanil Song is accused of shooting an Alvarado police officer during an attack on the Prairieland Detention Center.

A Blue Alert was issued on Wednesday for a man accused of shooting an Alvarado police officer during an attack at a U.S. Immigration and Customs Enforcement detention facility on July 4, according to the Texas Department of Public Safety and the FBI.

The officer was shot in the neck on Friday, the night of the Fourth of July , after reporting to the Prairieland Detention Center in Alvarado, about 40 miles (65 kilometers) southwest of Dallas. He was treated at a hospital and released, the Johnson County Sheriff’s office said.

Officials from Euless and Plano are expected to provide an update on a homicide investigation during an afternoon news conference.

A nonprofit born out of the mass shooting in Uvalde, Texas, is urging the Maine Attorney General's Office to revisit how more than $6 million in Lewiston shooting relief donations were distributed.

Arkansas State Police are investigating a road rage-related shooting that occurred just after midnight Tuesday on Interstate 40 near Galloway.