>> reporter: but was daniel willyam capable of so brutal a murder of someone he barely knew? make up their minds without hearing a word from daniel. though when we spoke with him, daniel had a great deal to say about the case against him. >> now i'm not trying to accuse nathan of murder, i'm just trying to -- trying to find out where was he. but i do have a suspect. >> reporter: oh. >> coming up, just who is daniel talking about? someone the police never even looked at. >> he put the baggie in the bathroom? >> no, i'm saying he had access to my house. >> reporter: when dateline continues. c®. in a study with ozempic®, a majority of adults lowered their blood sugar and reached an a1c of less than seven and maintained it. oh! under seven? (vo) and you may lose weight. in the same one-year study, adults lost on average up to 12 pounds. oh! up to 12 pounds? (vo) a two-year study showed that ozempic® does not increase the risk of major cardiovascular events like heart attack, stroke, or death. oh! no increased risk? ♪ ozempic®! ♪ ozempic® should not be the first medicine for treati