. >> it's been called one of the most famous cold cases of all time. 28 years ago, john and patsy ramseye up the day after christmas and realized their six year old daughter, jonbenet. a child beauty queen was missing. a threatening handwritten ransom note demanding $118,000. the exact amount of john's bonus was found on the stairs by the kitchen. >> i heard patsy scream and that was a horrible shock and we called the police immediately. what's going on there, ma'am? >> we have a kidnaping. all right. >> please explain to me what's going on. okay, sir, we have a there's a note left in our coffee. john. >> seven hours later, john ramsey found his daughter's lifeless body in a small room in the basement. japanese autopsy determined she had been sexually assaulted, strangled, and her skull was fractured. unknown dna was found under her fingernails and in her underwear. >> jonbenet ramsey, the little girl in colorado, was murdered. >> beauty queen jonbenet jonbenet murder has frightened residents of boulder for decades. >> the case transfixed the nation. john and patsy quickly became suspect

that i think also that they believed that someone in the family could have just snapped in fact, patsy ramsey was interrogated very harshly by police, and the handwriting on that ransom note went through forensic testing. and john ramsey passed it. five was the was the number to pass. patsy ramsey, in her own voice, said that she had gotten a 4.5 and a lot of law enforcement believed that that was her handwriting. but we do want to say that law enforcement, after this dna testing that i just explained, came out and said that we are not even looking at the family. it was wrong. we apologize that we did that and of course, at that time, patsy ramsey had already passed away from from cancer a really significant update to this story. >> i look forward to watching the documentary jean casarez, thank you so much for the update. thank you. stay with cnn news central. we'll be right back erin burnett out front tonight at seven on cnn with moderate to severe plaque psoriasis. >> my skin was no longer mine. >> my active psoriatic arthritis joint symptoms held me back. don't let symptoms define you emer

john and patsy ramsey woke up to discover jonbenet was gone and found handwritten ran some note demandingjohn is hopeful d.n.a. technology could help police reininvestigating the police to find his daughter's killer. alec baldwin may end up back in court over the fatal shooting of the rust cinematographer in 2021. helena hutchins died after prop gun holding fired a live round during rehearsal. prosecutors are appealing a decision to dismiss the manslaughter jon charge against baldwin back in june. that came after the prosecution failed to turn over bullets to the defense. and take a look at this. a terrifying scene at an amusement park in arizona over the weekend. when a man jumped off a roller coaster just seconds before it dropped down a big hill. after he says his lap bar came unlocked. he was trying to save himself. the man jumping onto the platform alongside the coaster before walking himself down the structure to safety. can you imagine that? the rider says the park manager offered him a refund and took a report while local reports say the ride has appeared to be closed since that t

the police have never ruled out john and patsy ramsey based solely on this dna. how do you rule anybody out based solely on this dna? you have to go deeper. you dna we have today and make more sense of it m. >> joining me right now is joe berlinger, the director of the new netflix docu series. the name of it is cold case who killed jonbenet ramsey. also joining us is jonbenet's father, john ramsey. gentlemen, thank you both for being here. joe, that's just a snippet of all of the work that you all put together in in diving into this. why did you decide to focus in on this as your latest project well, you know, basically because i think the crime can be solved. >> i mean, there's some dna testing that john ramsey and his family have been demanding for a long time. the boulder police even though there's new people in charge, the boulder police seems to be dragging their feet. you know, and this is one of the most botched crime scenes this poor man has been under a cloud of suspicion for decades, even though they've been officially exonerated. if you ask the average

. >> suspicion quickly fell on her parents, john and patsy ramsey who denied the allegations and vowedmy life. >> 12 years later, the boulder district attorney cleared the ramseys pointing to dna evidence, nobody has ever been charged in the case.>> do you mind taking us through that day?>> it was unbelievable.>> now the cold case, who killed jonbenet ramsey is shining a new spotlight on the murder, the series includes interviews with those who were involved to cover the case including john ramsey.>> she said, i was told by someone inside the system to get this message to you. they believe you killed your daughter. and you need to get the best defense attorney to get your hands on.>> at 80 years old, john said he is pushing boulder police to do more dna testing on the evidence, boulder police telling nbc news, we are continuing to work with dna experts and our law enforcement partners around the country until this tragic case is solved. the district attorney's office adding, it is continuing to work with federal, state and local agencies to make progress in the case. john ramsey is wit