does he perhaps know who did? >> i don't think he does. jim griffin and i are working on and investigating an individual or individuals we believe may, may have some culpability. >> reporter: again, investigators say that is still the case, it is open that they are looking into. attorneys say their client is another person whose life has been devastated by opioid addiction. murdoch has not been charged yet, but his attorneys expect he will be. >> thank you. a three-day mission in space and not one pro astronaut on board. we'll have much more when we come back. (brother) that's a cat. wait, just hold madi's headpiece. (sister) no. seriously? (brother) his name is whiskers. (bride) what happened to you? whose cat is that? (brother) it's a long story. (sister) oh my gosh. (farmer) whiskers! there you are!