WJZ Eyewitness News At 6 July 27, 2011
>> reporter: criminal defense attorney, andy levy. >> the -- if the call had come from inside the house, i think police probably would have erred on the side of trying to go inside the house. >> reporter: one of the things investigators want to know is as responders were knocking on the front door, was the killer still inside? >> what's optimistic is we do have good physical evidence at the scene. >> reporter: police have strong leads, despite what may have been a close call catching the victim before the fire. both had a criminal record. police are focusing on someone who knew them....