the gunman identified as 32-year-old frank hayward, jr. joe is his next door neighbor. >> very good neighbor. >> reporter: for this to happen? >> it is shocking to me. >> reporter: 12-year-old frank hayward iii survived. they say he had cuts and burns. they say he is in critical condition. jacob is a close friend. he and his father showed up at the scene and with his dad's permission i talked to jacob. >> he tells people about how his parents are in fights a lot and how he doesn't like, sometimes he gets mad at his parents. >> reporter: this couple has a long history of domestic problems. according to court records in 2007 hayward's wife called for protective order saying she was the subject of mental and physical abuse over the last nine years. she said her husband hit me on the jaw, spit on me and broke my cell phone so i couldn't call police. recently frank hayward, jr. told friends he was selling this house. he said that he and his wife were getting separated. live in calvert county, pat collins, news 4. >>> police are looking for answe

the gunman identified as 32-year-old frank hayward jr. joe is his next door neighbor. >> very good neighbor. >> reporter: for this to happen? >> it is shocking for me. >> reporter: 12-year-old frank hayward iii survived. they say he is in critical condition. jacob swik is a close friend. he and his father showed up at the scene and with his dad's permission i talked to jacob. >> he tells people about how his parents are in fights a lot and how sometimes he gets mad at his parents. rrth police say there was an adult relative who got out unhurt. they didn't say how that came to be. this happened around 8:30 this morning. police got a call and responded like it was a hostage situation. neighbor patrick davis saw the cops make the move. >> there was an armored vehicle that sat there for a while and then pulled all the way up to the front door. >> reporter: what investigators found inside this house they will not soon forget. >> it is horrible. i have seen a few in my s.w.a.t. team days. these are the worst case scenarios. you want to do someth