The provided transcript details the decade-long reign of terror of Andrew Urdiales, a former Marine and security guard who committed a series of brutal murders across California and Illinois. The narrative begins with his first undetected killing in 1986 and follows the subsequent cold cases that left investigators baffled for years. A breakthrough finally occurred in 1997 when a firearm violation and a report from an observant police officer linked Urdiales to several victims via ballistic evidence. Crucially, the sources highlight the harrowing testimony of Jennifer Asbenson, the only woman to survive his abduction, whose bravery helped secure his final conviction. Despite receiving multiple death sentences, the legal saga concluded when the serial killer took his own life in prison in 2018. This overview illustrates the persistence of homicide detectives and the vital role of forensic science in bringing a prolific offender to justice.

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