YAKIMA, Wash. (AP) — Yakima County sheriff’s detectives have arrested a 20-year-old woman in the death of a 23-year-old Sunnyside man whose body was found Friday in the trunk of his girlfriend’s car on the Yakama Nation reservation.

The sheriff’s office says the suspect was tracked through phone records.

The Yakima Herald-Republic reports (http://bit.ly/1a73LKw ) the sheriff’s office hasn’t said whether the woman arrested is the girlfriend.

Alberto Gabriel Martinez was last seen alive on Thursday night. The autopsy was scheduled for Monday.

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