. >> reporter: on wednesday, the current district attorney stan garnett announced the new tests will fbi's database of more than 15 million known offenders. unless a match is someday made, some say the cloud of suspicion may never leave the ramseys, like they thought it had back in 2008. >> authorities investigating the death of jonbenet ramsey have officially cleared her parents. >> reporter: then district attorney mary lacy said a new round of dna tests revealed skin cells, this time on jonbenet's leggings. this so-called "touch dna" matched the spot on her underwear. both were from the same unknown male. and as a result, she took a controversial step, sending a letter to john ramsey, saying those in the family were no longer "under any suspicion." and she publicly apologized for all they had gone through. >> we are certainly grateful for acknowledgement that we are innocent. this was an intruder which of course we've always maintained. >> reporter: for the first time, the entire ramsey family was seemingly cleared. but to this day, that conclusion has its critics. should the ramse

. >> stan garnett confirms with me that the next year, 2017, they will be doing brand new testing innet ramsey case. it comes about because the colorado bureau of investigation is opening up new lab with new techniques and equipment. forensic science is always developing so they will be using state of the art equipment with new techniques. he doesn't know if the testing will be on actual potential evidence in the case like her clothing or if they will rerun numbers and new programs with new equipment. he also said they're going to be looking at other cold cases to see if they can find justice for those victims. a world of caution. he says even if they find brand new dna on this evidence that i have not had before, they need it to corroborate other evidence they already have in the case. this is much more, he says, than just a dna case. he also says if anything significant comes from this testing, the public will definitely be apprised of the findings. >> the special report is at 8:00 p.m. eastern pacific and again on thursday. >>> an american designer famous around the world tells me

. >> current boulder d.a., stan garnett, says an apology to the ramseys was inappropriate. >> it createdimpression that the evidence in the case is much clearer than it is. the evidence is very compromised. >> after a dozen years of being suspects, the entire ramsey family was officially cleared. >> people have asked me was that like a celebratory moment? well, no, it was like, okay, now let's solve the case. >> but the case we colagain. then in 2013, another bombshell. >> i had a strong sense that there was a huge story here that had been missed. >> dogged reporter charlie brennan investigated and broke a shocking story. >> i was able to persuade several grand jurors to confirm for me the fact that they had voted to indict. >> no charges have been filed. >> the grand jury decision 14 years earlier was not as it had been portrayed. jurors had actually voted to charge john and patsy ramsey. brennan wanted to get ahold of the grand jury's decision, himself. he went to court. >> i don't think most could believe it. he won and they unsealed those grand jury records in 2013, and it was quite