. >> amy jane was an angel. traveling the world with her church to help children. >> we loved amy. they loved amy so much. >> but back home something sinister lay waiting. >> it was a pretty horrific crime scene. >> a bright young life snuffed out. >> who would do that? it doesn't make any sense at all. >> months later a mom out for a walk vanishes. >> karen's gone. i don't know where she is. i just cried. >> one murder, one disappearance in the same small town. but soon police would discover a creepier connection. >> one of the detectives had gotten his hands on an image of amy jane brandhagen and karen lang together. >> oh, my god. >> the dead teenager and the missing mom arm in arm. >> in that moment most of us knew that that wasn't coincidence. >> was someone stalking the women of this tight-knit church? this sounds more like a zodiac-type killer. >> absolutely. >> a race to connect the dots revealing a truth darker than anyone imagined. >> i don't get that. i mean, it's just evil. >> i'm lester holt. and this is "dateline." here's keith morrison with "someone was out there." >

friend of amy jane's from church? karen always parked their car in front of her house when she took her late afternoon walks. >> says, is karen at your house? no. i just got home and i asked lisa if she'd been over. and i said, no, haven't seen her. >> and i had looked outside and sure enough the car was still there. so we went out to the car and she wasn't there. >> so jed and lisa grabbed flashlights and walked a couple of blocks from their house down to the river levee. there in the parking lot sat a pendleton policeman. what should they do they asked him. >> he just thought it was unusual enough that he got ahold of dan. >> as the officer left to talk to dan, jed and lisa kept looking through the dark along the riverbank. >> there's a fear of not finding anything. and there's a fear of finding something. >> when i got to where the policeman was, we were talking, and he said, you seem to be awfully calm for your wife being missing. and at that point i thought, holy mackerel, you know, if there's something -- if the

amy: let me ask you, there has been some push back at "the new york times" obit that included the line, julian bond's great-grandmother janermer. a number of black lives mattq) activists and others are tweeting about this saying, kentucky farmer instead of slave instead of addressing the issue of the impossibility for consent as a slave in the whitewashing of rape. >> slave mistress is a loaded terminology, and i would agree with that criticism because a mistress is someone who has a choice. and if you are owned by someone, you don't really have a choice over matters like that. it does show, you know, julian was very light skin. when i first met him, and it was all because of the privilege in the enslavers, that is where all of the light-skinned lac)h(eople came from. when i first knew julian, he was still on billboards in georgia because he was movie star handsome, and he would be on coca-cola ad he used to confess that because of that terrible problem, crime in the background of american history in gender, the most intimate moments that mixed slavery with rape, that there were a lot of problems about color within the bla