New Details on Massachusetts Mall Stabbing Suspect

The slain 28-year-old suspect had a possible history of mental illness.
2:45 | 05/12/16

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

Comments
Related Extras
Related Videos
Video Transcript
Transcript for New Details on Massachusetts Mall Stabbing Suspect
Now to the latest on the stabbing spree at a mall in Massachusetts. We're learning more about the man who killed two, injured several others before being shot by an off-duty deputy. This morning, his family revealing the suspect was seeking help for a mental breakdown. ABC's gio Benitez is in Taunton, Massachusetts, with the latest. Good morning, gio. Reporter: Robin, good morning to you. Overnight we learned the suspect may have made threats in the past before the attack in this mall. This as we learn so much more about two heroes. This morning, we're now learning beloved 56-year-old teacher George heath was eating dinner with his wife at Behr Tucci's wood oven pizza in the galleria mall when Arthur Derosa came in stabbing a pregnant waitress. My husband grabbed him. I think he grabbed him around the waist area, I think, trying to keep him so his arm wouldn't go up to stab anybody else. Reporter: Heath was stabbed in the head as he tried to intervene. He did not survive. I lost a good man. I did. He was a great man. Reporter: The waitress surviving but in serious condition this morning and then caused that carnage at the restaurant. Derosa's family blame Morton hospital for sending him home without treating his mental illness. They say they extend their thoughts and prayers to the information. Massachusetts says it will investigate that hospital's actions. The family claims they couldn't even get his name right. All right, gio, thank you.

This transcript has been automatically generated and may not be 100% accurate.

{"duration":"2:45","description":"The slain 28-year-old suspect had a possible history of mental illness.","mediaType":"default","section":"ABCNews/GMA","id":"39058766","title":"New Details on Massachusetts Mall Stabbing Suspect","url":"/GMA/video/details-massachusetts-mall-stabbing-suspect-39058766"}