Perfect Evidence is an episode of the weekly radio show This American Life focusing on the topic of DNA evidence. The program begins with the story of four innocent teenagers who have served fifteen years in prison for murder and ends by telling how police legal procedures manipulated a fourteen-year-old into falsely confessing to his sister's murder. In both cases, the introduction of DNA evidence years later demonstrated the innocence of all wrongfully convicted parties. In 1986, police arrested four teenagers, Larry Ollins, Omar Saunders, and cousins ​​Marcellius and Calvin Bradford, in connection with the rape and murder of Lori Roscetti. . Young people faced the double prejudice of being black and having minor criminal records. The victim was a young, white medical student. The media sensationalized the case, describing it as “a bestial, barbaric, horrible, senseless massacre” (Glass, 2002). The police, under enormous public pressure to solve the case, used tactics that included intimidation, coercion, false promises and physical abuse. They offered Omar Saunders a deal: to lie about witnessing the crime and Saunders refused, and investigators charged him along with the others. He is adamant that the police knew such an agreement was innocent. In exchange for testifying against his friends, he received a twelve-year sentence. He came to deeply regret his decision, telling a reporter years later: "I'm going to skateboard to hell" (Glass, 2002). it was a case full of corruption and misconduct, from the police to the prosecutor to the judge, even if their tactics seem unethical and immoral, “the use of cunning and even deception by the police… in middle of paper. .....es/frontline/shows/burden/etc/script.htmlCardozo, BN (2005). Making up for lost time: What the wrongly convicted endure and how to provide fair compensation. BMJ (Clinical Research ed.) (Vol. 331). doi:10.1136/bmj.331.7519.719Glass, I. (2002). Perfect transcription of the tests. Word Journal of the International Linguistic Association. This American life. Retrieved from http://www.thisamericanlife.org/radio-archives/episode/210/transcriptInniss, J. P. (2011). Unjustly convicted, 35 years later. Daily sociology blog. Retrieved March 4, 2011, from http://www.everydaysociologyblog.com/2011/03/wrongfully-convicted-35-years-later.htmlSangaro, B., & Halpert, M. (2007). Because a conviction should not be based on a single piece of evidence: a proposal for reform. Jurimetry, 48(1), 43-94. Retrieved from http://search.proquest.com/docview/223209439?accountid=3588