Man Killed in Tyler May Have Had Mental Issues

TYLER � The son of a man killed by a Tyler home owner on Tuesday says his dad may have suffered from a mental illness. Luke Garrison, 44, was shot to death when he broke into the home of a 77 year old man and charged him. Garrison�s son, Seth, tells KETK about two months ago, his dad began exhibiting behavior that suggested mental illness. Acting confused, angry, and anxious are just a few of the symptoms he mentioned. He said his dad �didn’t seem like himself those past two months it was kind of like it was someone else.” Seth said his dad owned a construction company in Brownsboro and there seemed to be no apparent reason for him to commit such a crime.