joe sonnier.dr. sonnier been shot? >> he had been shot five times. >> reporter: and how many times had he been stabbed? >> 1 through the house, trying to imagine what happened. >> i just walked up and visualized the point of entry. and from where i was at, i could see that the window was pushed in. there was no broken glass, which is very curious to me. >> reporter: investigators also noticed something about that gatorade bottle found on the floor. >> a projectile had traveled through that gatorade bottle. i just made the determination that it was possibly a silencer because we did have bullet casings in that immediate area. >> reporter: given the nature of the crime, the people close to joe were in for some scrutiny, including his girlfriend, richelle shetina, who rushed to the house when she heard the news. what's her demeanor? how's she acting? >> she is distraught. no makeup. you know, clothed like she had been doing housework, like she had just got in her car and flew out to where we were. >>