peter neubauer passed away. and yet we still don't know exactly what they were looking for.ittle kindness ♪ ♪ yes, show a little kindness ♪ ♪ just shine your light for everyone to see ♪ ♪ and if you try a little kindness ♪ ♪"you are the reason" by calum scott♪ to all the kisses... ...that led... ...to this one. celebrate every kiss, with kay. 1, 2, 3... yay! ♪ “i got you babe” by etta james ♪ ♪ wait hold up, here it comes! alright, everybody stand up straight. okay now let me flip it. ♪ ♪ ♪ ♪ >>> i'm a clinical psychologist, and i was a research assistant on peter neubauer's study. i believe i am the only person who worked on the study who is willing to go on record about what was done. i was 24. this was essentially my first job. you know, you had to be careful to not let on that, gee, you look just like your twin brother. i would have been fired on the spot, right? it was a little tempting, yeah. there was a little bit of temptation. like, hey, i know your twin. i -- i saw somebody a week ago who looks exactly like you. to question whether i feel guilty is interesting. bec