melvin roberts was murdered outside his secluded southern home and investigators believed he had beenickly learned melvin had plenty of enemies. now, they were about to uncover a suspect hiding in plain sight. here again is andrea canning with death in the driveway. >> four days after his murder, melvin roberts was laid to rest in that town he'd called home for the last 60 years. >> did it feel like the whole town came to the funeral? >> it did, yes. everybody was there. from all over. >> versus if he was the go-to guy in your. if you need to figure something out. he was afraid to take on anybody. he never backed down. he always looked out for the little guy. because i think he always saw himself as the little guy. >> but as hundreds gathered to say goodbye to melvin, and odd 's feeling settled over the mourners. was a fear? was it suspicion? could someone amongst them be the killer? melvin's granddaughter and emily started looking over her shoulder. >> who could this be? how could this have happened? who would want him dead? >> was it putting the town on edge? >> yes, there is a kill

robert, spell it professor of philosophy and won't ask university. he is published extensively on the ethics of a i in robotics and he's joining us live from melvin. thank you very much for your time. firstly, how do you see the developments house of china as a i really it moves full full on a global level. so it's not just china, those thoughts of characters repeat, eerie all over the world now and on people's funds in social media. i think this is actually a very dangerous development. i think it really is written still on the mind of public trust in, in use rate is sense and do the in now relationships more generally. i think it will eventually threatens things like friendship threatens or thoughts of relationships that actually make people happy and help them feel good in the world . so i'm not nearly as enthusiastic about it as people who are developing this technology. it's interesting that you say that because as we heard in the report, virtual capt as don't commit crimes. so they are much easier, i suppose, to data. but then you're trying to sell the products out there. but they're also not schuman. and so you saying that there's, you know