and we would go to parks. >> which is exactly what mollie and kristene decided to do on a warm summer night back in june of 2012. their destination, violet andrews park. that place seemed safe to you? >> yeah. >> yeah, it did. >> all of the parks were -- i mean, we would go -- >> we would go at night all the time. >> before heading out, the two called britney, asking if she would join them. britney took a pass. >> i had a volleyball game the next morning, so i wasn't able to. >> it was a decision that still haunts her. >> i just know, because they, like, you know, they called me that night. i'm like, if i was there -- >> the next morning, chris and stan seymour were strolling through violet andrews park. >> we started looking around for birds in general, didn't see a thing. this place was as quiet as we'd ever seen it.