. >> reporter: althea kennedy was sherry's boss at the hospital and had originally hired her. >> we couldn't believe it, first of all. it was like how could someone do this? people crying, people upset. i mean the hospital was like a tomb, you know, so the loss was really palpable sn. >> reporter: sherry had just been married three months earlier. were sherry and john happily married? >> unusually so. >> reporter: just months after the wedding, john found sherry sprawled dead on the floor of their home. he may seem a likely suspect, but john was clearly almost immediately t the l.a.p.d. focused instead on evidence that this was aburg la hadry that turned violent. >> this was no accident. >> reporter: yolanda is a retired crime seen investigator. >> multiple shots fired, shots fired at close range. >> reporter: she -- report records and media reports on the case. we returned to the scene to understand what happened. police think that the killer walked in the open door? >> they did not find forced entry, they assumed the killer walked right in. >> reporter: and right here where we are standing