Trump shooter's shocked teacher reveals details of his college life

The man who shot at former President Donald Trump last Saturday excelled in college and appeared to have a promising future, his former teacher said.

Thomas Matthew Crooks, 20, was a thoughtful and polite student at Pittsburgh's Community College of Allegheny College, where he graduated in May with an associate's degree in engineering.

Prior to Saturday's attempted assassination, Crooks had planned to continue his education at nearby Robert Morris University.

One of his former teachers...