Court records indicate four Marines acknowledged they had roles in the robbery, sexual assault and murder of a Camp Pendleton-based Iraq veteran and his wife last month in Riverside County.

Pvt. Kevin Darnell Cox, 20, of Tennessee; Pvt. Emrys John, 18, of Maryland; Lance Cpl. Tyrone Miller, 20, of North Carolina; and Pvt. Kesuan Sykes, 21, of California face murder charges in connection with the case.

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