Jennifer Gledhill was charged with the first-degree murder of her husband, Utah National Guardsman Matthew Johnson, on October 14, 2024. Johnson, 51, was last seen alive on September 20, 2024, in Cottonwood Heights, Utah. His body has never been found. This full true crime documentary breaks down the evidence from official court documents, the Salt Lake County District Attorney's press release, law enforcement statements, and verified reporting. We cover the GPS phone data, the Holiday Oil car wash surveillance footage, the blood evidence found beneath a replaced mattress, the audio recordings turned over by an informant, and the arrest of Gledhill's parents on first-degree felony obstruction charges. As of March 2026, Jennifer Gledhill remains held without bail and has pleaded not guilty to all nine felony charges. Trial is pending.