A dead body turns up with a stolen identity. We tell the story of how a grandmother tracked down the truth — and helped create a whole new and controversial world of crime fighting. To tell this story, we talk to U.S. Marshal Peter Elliott, Dr. Margaret Press, and Phil Nichols. [REBROADCAST] CN: This episode discusses suicide. If you or someone you know is experiencing a mental health crisis, in the U.S. you can call or text 988 to reach the government’s suicide and crisis help line. More mental health resources are available at spotify.com/resources. Find our transcript here: https://bit.ly/3Rf1Vj1 This episode was produced by Rose Rimler and Kaitlyn Sawrey with help from Wendy Zukerman, Meryl Horn and Odelia Rubin. We’re edited by Blythe Terrell. Editing help from Alex Blumberg and Caitlin Kenney. Fact checking by Michelle Harris and Ekedi Fausther-Keeys. Mix and sound design by Emma Munger. Music by Emma Munger and Bobby Lord. A huge thanks to all the people we got in touch with for this episode, including Dr. Colleen Fitzpatrick at DNA Doe Project and Curtis Rogers at GEDmatch. Recording help from Selene Ross, Tana Weingartner and Daniel Robison. Learn more about your ad choices. Visit podcastchoices.com/adchoices