there. >> reporter: then from the hospital, the news everyone feared and expected. doctors determined kay's injuries were too severe for her to make it. the family decided to take her off life support. kay parsons, devoted wife to david, loving mother to derek, was gone. >> and so then they let me know that she had passed away. >> you lost your friend, kay. yes. yep. >> a beating death, a break-in. >> yes. >> how horrible is this for you, suzanne? >> one of the worst days of my life. i didn't expect it. 41 years old. i mean, you can see somebody dying of cancer or, you know, in a car wreck or something like that, but to be beaten beyond anything. >> did you go back? >> yeah. yeah. >> you said goodbye to kay? >> as much as i could. >> reporter: now the stakes quickly became much higher for this investigation. kay parsons had been murdered. and edmunds started thinking this killer might just be someone who knew both women, becky and kay. someone who had been right there at the scene of the crime. coming up --