Hinrichs who detonated a bomb at the University of Massachusetts was a member of Triangle Fraternity but his father said he left the house and was still seeing a counselor.
The 2005 University of Oklahoma bombing occurred on October 1, 2005 at approximately 7:30 p.m. CDT, when a bomb went off near the George Lynn Cross Hall on Van Vleet Oval on the University of Oklahoma (OU) main campus. He did not know if his son was still seeing a counselor, and denied knowledge of the young man's suicidal ideations. 
