Cody Cousins, a 23-year-old TA at Purdue University, has been identified as the shooting suspect.
Cousins allegedly killed 21-year-old Andrew Boldt in a targeted shooting.
He is being held at the Tippacanoe County jail.
Contrary to some reports, Cousins has been cooperating with police, the university’s police department said.
Photos of Cousins are below.
Police and university police on the Purdue University campus on Tuesday. (AP Photo/Journal & Courier, John Terhune)
Students pass the Electrical Engineering Building, background, after a campus-wide lockdown was lifted after shots were fired around noon Tuesday, Jan. 21, 2014, on the campus of Purdue University. (AP Photo/Journal & Courier, John Terhune)