Three-Episode Docuseries Launching Friday, February 18, on discovery+ Reveals New Information in the Decades-Old Unsolved Death of Keith Warren. Never thoroughly investigated, Keith Warren's sister Sherri has spent 35 years seeking the truth about what happened to her brother. Fighting systemic corruption at every turn, her end goal is to change Keith's death certificate to reflect the truth. Featuring interviews with Keith Warren's friends and family as well as both active and retired law enforcement, forensic experts, eyewitnesses and private investigators, Uprooted includes never-before-reported support for the probability Keith Warren did not die by suicide.