Suspects Pablo News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> quite honestly, it was something i never dreamed i would have that type of evidence that the entire homicide was committed on tape. >> investigators keep the findings secret while producing stills from the video to show potential witnesses. the tactic eventually leads to suspects pablo and seth, who, from the day of his arrest will insist the security tape shows a very different person. >> i know me. i know how i move. i don't move like that. how can i prove it? how can i prove or disprove it?

Seth and this is pablo. they said good, sign your name on the back and she did. look at him and go well, been arrested, did some time. it's a perfect fit for them. >> police and prosecutors insist the case is solved. >> i have no doubt, whatsoever, i'm convinced they did it, yes. that gives me a good sense of closure. i think it brought a lot of closure to the families involved, too. they will never see daylight again. >> he continues to insist he's innocence and refuses to back down. after 18 years behind bars, he's about to be given one final chance to save his life. >> i had all the pain go...

>> even so, the suspect does not confess to the killings despite friends and family members saying he resembles the man on the flier. >> i did my own survey. i drove around south florida. i could pick out 200 or 300 young men that looked identical to the person seen on that tape. so, any identification made of pablo was truly impossible to be made from that grainy tape. >> pablo -- >> authorities conclude otherwise and he's charged with three counts each of first degree murder. and robbery with a weapon. >> on counts one and two -- >> detectives are less certain about alex hernandez's involvem...

This time, authorities try him separately from his codefendant. they depict him as the more violent of the two. >> after we found the video tape and seeing who was the aggressor, pablo is secondary. he's the second one in the door. he has a stick versus a gun initially. seth was the aggressor on video. >> it's embarrassing to be tried in a public setting like that and it's just spread all around the world because you have friends out there. the family i had left at the time, they see it and friends of the family see it. it's embarrassing. you don't want everybody to look at you as this bad per...

Footage dozens of times. her sister, sharon anderson is casey's house guest, along with her friend, marie rogers. in less than an hour, all three will be murdered while a hidden security camera chronicles the attack. >> the blessing would be there are lots of people that lose loved ones and don't know what happened. i know exactly what happened to her. i know everything they did to her and i realize from other people who have lost family members to violence, there's some peace in that. >> in 2000, seth and pablo are sentenced to death for the triple homicide. even as he awaits execution, thoug...