LONG BEACH – Long Beach Police Department announced the arrest of a man tied to three cold case murders on Oct. 31.

On October 17, 2025, Homicide detectives arrested 39-year-old Glenn Cox for his involvement in three murders that took place between 2004 and 2007.

Suspect Cox, who is currently serving multiple life sentences at Avenal State Prison for a separate murder and attempted murder case, was booked for three additional counts of murder, three additional counts of attempted murder, and two additional counts of possession of a firearm by a person with a prior felony conviction.

In December 2023, suspect Cox confessed to multiple murders and an attempted murder to Avenal State Prison personnel, who then alerted LBPD detectives. Following further interviews with Cox, LBPD Homicide de

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