AP Radio News: Loading... Man convicted in 1985 rape challenges flawed hair analysis More From AP By DENISE LAVOIE Sep. 11, 2015 4:20 PM EDT Italy top court: Amanda Knox conviction based on poor case 2 FALL RIVER, Mass. (AP) — George Perrot has spent almost 29 years in prison since being convicted of raping an elderly woman based in part on a single strand of hair. Now he's hoping a recent acknowledgement by the FBI on the limits of microscopic hair analysis will prompt a judge to grant him a new trial. NYC arrest video shows ex-tennis pro being thrown to ground The hair in question was found in the Springfield home of a 78-year-old woman in 1985. At Perrot's trial, an FBI agent testified in no uncertain terms that the hair was a match for Perrot's. But last year, the U.S. Department of Justice flagged Perrot's case as one of hundreds that involved erroneous statements from FBI agents about hair analysis. The FBI now acknowledges that the science is not conclusive and uses it only in conjunction with DNA testing. Perrot, who was 17 at the time of his arrest, has always denied raping the woman. Over the years, his conviction was overturned twice based on grounds unrelated to the hair, but both times a higher court reinstated it. DNA evidence was not used in trials until the late 1980s, and the hair has since been lost. On Friday, Judge Robert Kane began hearing evidence in what is expected to be a multiday hearing on Perrot's motion for a new trial. After insulting Fiorina, Trump tested by wave of criticism Texas officials under scrutiny for biker shootout case by Taboola Advertisement Microscopic hair analysis had been used at trials for decades, but a 2009 report from the National Academy of Sciences described testimony identifying a particular defendant through hair analysis as "highly unreliable." In 2012, the Justice Department began a review of criminal cases after a string of exonerations in cases in which microscopic hair analysis was used. In April, the government said that of the 268 trials reviewed so far, investigators found erroneous statements from FBI experts in nearly all of the cases. The Innocence Project, a Boston law firm and The Schuster Institute for Investigative Journalism at Brandeis University have been working to clear Perrot. Advertisement Today's Health News Prosecutors contend that an FBI expert's testimony about hair analysis at Perrot's trial wasn't as distorted as Perrot's lawyers say it was. They also believe there was enough evidence to convict Perrot even without the hair evidence. Perrot's 76-year-old mother, Beverly Garrant, listened in court Friday as her son's lawyers tried to demonstrate the unreliability of microscopic hair analysis. She said she strongly believes her son is innocent and has more hope than she's ever had that he could be freed. "I'd like to see my son have another chance to relive his life," she said. "I just have hope." Advertisement 10 reasons to see a dermatologist Your skin is one of the most visible things about you. Take care of it! Trending Now 5 skin care don'ts for psoriasis Simple steps to keep your bones strong 10 things women should know about their heart Are you OCD? Talk to your doctor 9 facts about athlete's foot MORE HEALTH STORIES FIND LOCAL DOCTORS TOPICS Comments Comments Community ♥ Recommend 1 ! Login Sort by Best United States government, Crime, Legal proceedings, Law and order, Trials, Violent crime, Massachusetts, Sexual assault, U.S. Department of Justice, Fall River Advertisement Start the discussion… Be the first to comment.