. >> mary willsey visits her son keith's room when she wants to feel close. >> this is keith's room. this is keith's new drum set that he got for christmas, he was so delighted. i used to love listening to him playing to the drums. i just miss him because he was such a good kid and he was very loving. and i just miss hearing him, just saying every night, mom, i love you. i'm sorry. >> reporter: keith's memory haunts every corner of the house. >>> what were some of the challenges as a mother? having a son that was schizophrenic? >> well, he did try to hurt himself one day. decided he was going to drink bleach which i knocked out of his hand. came out here, had to vacuum out, had the cord wrapped around his neck so i of course took it off. >> that day with the help of police she was able to get him to the hospital. but on january 5th, keith took out a strong screwdriver and mary feared for his safety. >> i thought he should go to a doctor at that point. i asked my husband to call 911. >> the first two officers that arrived quickly established a dialogue with her son then a third office