Defense attorneys want to know if their clients were wrongfully convicted after the Colorado Bureau of Investigation said a DNA analyst manipulated data in hundreds of cases. Yvonne "Missy" Woods - a 29-year veteran at CBI - was considered the "gold standard" in DNA testing in Colorado. Prosecutors used her DNA analysis in hundreds of cases to put people behind bars. An internal affairs investigation found she "cut corners" and tampered with results, impacting 652 cases between 2008 and 2023. There could be more, as the agency is still reviewing her work from 1994 to 2008. CBI worked with the Kansas Bureau of Investigation to help with an independent evaluation. CBI said the internal investigation did not find she falsified DNA matches or fabricated DNA profiles. Casey Krizman, a defense attorney in Denver, said three of his clients entered guilty pleas due to DNA work completed by Woods. He has no idea if his cases are included on CBI's list. Read more: https://www.9news.com/article/news/local/defense-attorneys-call-for-info-investigation-finds-dna-analyst-manipulated-data-650-cases/73-3b171098-1967-4658-bfe7-c31033415b5a ----- More local videos here: https://youtube.com/@9news Subscribe to NEXT: https://youtube.com/@Nexton9NEWS Stay connected: 9NEWS Website: https://www.9news.com/ Facebook: https://www.facebook.com/ilike9news Twitter: https://twitter.com/9NEWS Instagram: https://www.instagram.com/9newsdenver/ Download the 9NEWS App: https://www.9news.com/appredirect/ Sign up for the 9NEWSLETTER: https://www.9news.com/email 9NEWS (KUSA) is located in Denver, Colorado.