family. tried to protect her anyway we could. family-turned army, when she vanished. this is how many people we have right now. we just started searching. they just wanted to find her. that kind of emotion really drives you. where was she? was someone following her connected someone attacked her? after scrutiny, the ex- boyfriend, and three others she encountered that night. scared. how many times did they talk to you? 30, plus. tantalizing clues, a handprint. there was blood on their hand you could almost see this happening in real-time. ■ç could she solve her own mystery? she s fighting him off. it was so emotional. i wanted to jump out of my seat. never in 1 million years would you expect something like that. on long island, about 10 miles down the shoreline from the mansions and fancy cars, and the elites of the hamptons is a blue-collar beach town some call the poor man s paradise, but life was rich for these brothers and sister
a teenager, home alone in a night of terror. i would stare out the window and try to figure out how scared she must have been. on her body, like a signature, a handprint in blood. it was a crime of passion. there s a lot of anger involved in this. but how long? because that handprint doesn t belong to the man police put in prison. the anger just surged through me. now, a mother turns detective. her words to me were, i just want to know what happened to my daughter. join in as she hunts for the killer and searches for the truth. i wanted to put my fist through the tv. it still brings the hair up the back of my neck. hello, and welcome to dateline. a confession can wake up murder investigation wide open. soon after 19 angie was found stabbed, a local named christopher tapp admitted he was one of her killers. police reported every grisly detail that convinced that they had cracked the case. but years later, there was someone else who thought those tapes m
two tantalizing clues, a handprint. the subject had blood on their hand. and a trail on twitter. incredibly powerful. you can almost see this happening in realtime. could she help solve her own mystery? she s fighting him off. it was so emotional. i wanted to jump out of my seat. never in a million years would you expect something like that. on long island, about 10 miles down the shoreline from the mansions, the fancy cars and the elites of the hamptons, is a blue collar beach town some call the poor man s paradise. but life was rich for these brothers and sisters in mastic, new york, filled with the love of a large tight-knit family. all that was taken away one warm evening when evil rolled in with the summer tide. their youngest sister was missing. we just want you to come home safely. reporter: and for better or worse, this family would go to extraordinary lengths to find her. we re going to scour those woods right now. we were our own investigators.
usable handprint? they weren t usable the way they were with just the white fingerprint powder. there weren t enough characteristics to compare it to somebody else. then they did a second test using a chemical called amido black. and this time, there was enough detail. one of the handprints was useable for comparison. and the test told them something else. so if there s blood on this palm print it s going to now show up with this chemical? hopefully, yes. and what happened when you put the chemical on it? it did develop. so the palm print turned blue? yes. blue. which means that there was very likely blood in that palm print. correct. and that s a big deal. it s a tremendous deal. while oswald and her team examined the prints, other investigators tested the blood to see who it belonged to. the blood came back to sarah goode. oswald believed the killer had attacked sarah, got her blood on his hands and then carelessly left his prints. so that s why detectiv