Possible lead in teen's cold case murder in Mesa

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Anonymous tip called in to police

MESA - Detectives are conducting a cold case investigation in the area of Alma School and Broadway in Mesa based on an anonymous tip.

A medical examiner's van is in the area in reference to a 1974 missing person cold case involving a teenager named Robert Raymond Parks.

A Mesa police spokesperson tells 3TV detectives are on the scene with crime scene technicians.

Preliminary reports indicate detectives received information that Parks could have been buried beneath an addition to a residence in the area.