MSNBC Dateline August 7, 2021 09:15:00
>> he clearly stopped using. he was feeling healthier than he felt in years. >> reporter: but when detective learned about his addiction, they had a to consider a raft of new possibilities. >> he disappeared, maybe overdosed. we didn't have any of those answers. >> we would have moments in the car where we looked at each other and said, i think this is a suicide and then an hour later, we'd interview somebody and something would happen and we'd go i think this was a murder and our feelings and our gut instincts were going different ways very early on very fast. >> reporter: that's got to be pr...