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Episode #116: David Allen Gross - Murdered (1977)

A resident Mount Pocono, PA, David Allen Gross was a loving son and a hard-working man who loved the outdoors. David turned 21 on August 2nd and threw himself a big birthday party on August 6th on his parents' 173-acre property.  In the early hours of August 11th, David was found murdered in the back of his own car, over 20 miles from his home.

David Allen Gross

Birth: 8/2/1956 - Death: 8/11/1977

Ethnicity: Caucasian Sex: Male

Hometown: Mount Pocono, PA - Monroe County

Crime Scene: Unknown, victim was found deceased in the back of his own car at the Arrow Island Overlook in the Delaware Water Gap Recreation Area in Upper Mount Bethel Township, Northampton County.

Last Know Location Alive: Aug. 9, 1977, on Sullivan Trail in Tannersville

Injury Description: Six head wounds, consistent with the flathead of claw hammer, and a rope tied around the neck.

Suspect Description: Unknown, but it is speculated that he knew his assailant.

DNA: Unknown

Fingerprints: no fingerprints of note were discovered

If you have information regarding the investigation, contact the Pennsylvania Crime Stoppers at 1-800-4PA-TIPS (8477) or online -

All callers to Pennsylvania Crime Stoppers remain anonymous and could be eligible for a cash reward for information that leads to an arrest, the solving of a crime or cold case or the location of a wanted person, fugitive or missing persons. Tips that solve this particular cold case or lead to an arrest could be eligible for a $5,000 cash reward.


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