the prime of her career. 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