that was loyd."nd he was following her. >> reporter: was the guitar man being helpful, or was he trying to implicate a rival to save his own skin? the trooper knew this much. if kathy heckel had been juggling simultaneous affairs with married men, there could be a lot of people who wanted her to disappear including her husband. >> he was definitely a person of interest. >> reporter: exactly how much did john heckel know about what was going on in his wife's life? >> coming up -- were police looking for a runaway wife or her killer? >> there were just no answers. and that was -- that was the worst part. >> did you feel like you were ever a suspect? >> never worried about it. i knew they would try to find where kathy was and what had happened, and if that included questioning me i had no problems with that. >> when dateline continues. tha. >> when dateline continues >> reporter: any investigation in which someone goes missing or turns up dead -- just about guarantees family members will be considered s

more in a digital world that completely clashes with the mechanical android loyd. the roots of androids or humanoid robots can be traced back to ancient greece and egypt they had a can in the 18th century the age of enlightenment slow development of complex social make sense the play music. teachers. has brought his own craft back tonight. well. i'd like to preserve the knowledge i've gained getting this rolling with inviting intelligence for tool real well from all the research i've done here all to be able to share it with future generations edition yourself or to your friends washington was one of a kind creation so i have no real function but these mechanics in motion listener isis with a complexity and truly expand our nation a nation. exactly 80 years ago charlie chaplin released his satire of hitler called the great dictator it was the 1st major hollywood film to take a clear stance against the nazis you can read more about story and other culture news online at d w dot com slash culture thanks for watching arts and culture. you know that 77 percent. are you

so remember the famous vice presidential debate with loyd and dan quail, and lloyd had the great line and saying senator i knew jack hannity. i was a friend of jack kennedy and you are no jack kennedy. that was a great line but we lose what is the substance of what we are talking. about what is so important is democracy. democracy right now is imperiled. so i think these debates are still important. many people will watch the debates, but unfortunately my fear is that partisanship become so high and so harsh in the country people are watching just to specifically cheer on their own side. whatever side that might be. and after the debate there really is no objective winner or loser because it's only going to be viewed through the prism of partisan politics. >> gotcha moments. newton, i wonder what you think about that. i know that you've spoken in the past, and written in the past about the gotcha moment season control of things. but what is your sense of what the debate might do now and what you are afraid it might break down into? >> you have got to start with one fact. that is that