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Crime Solvers Central
302 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

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Summary based on the NamUs case record (MP131373) and 1 other source
In the community of Nazareth, Pennsylvania, a sense of concern lingers following the disappearance of 17-year-old Mason Mossman. He was last seen on October 11, 2024, a day that began like any other but ended with his loved ones waiting for a return that never happened. At the time of his disappearance, Mason was described as a white male with brown hair and brown eyes, standing at 5 feet 7 inches tall and weighing around 125 pounds. A distinguishing feature is a tattoo of lips on his abdomen. The circumstances surrounding his disappearance remain unclear, adding to the distress of his family and friends.

When he was last seen, Mason was wearing a black hooded sweatshirt and black sweatpants, and he was carrying a black bookbag. It was reported that he had made statements about potentially going to Reading, Pennsylvania, though his exact destination and movements after he was last seen are unknown. The Nazareth Borough Police Department is actively investigating his case and has urged anyone with information, no matter how insignificant it may seem, to come forward. Their efforts are being supported by organizations like the Pennsylvania Emergency Response Center Inc., which works to raise awareness and provide resources for the families of missing individuals.

The search for Mason continues, fueled by the hope of his safe return. Community outreach and the dissemination of his information through various channels are crucial components of the ongoing efforts to locate him. The case is a stark reminder of the importance of public involvement in missing persons cases, as every piece of information could be the key to bringing a loved one home. The investigation into Mason Mossman's disappearance remains active, with law enforcement and his community holding out hope for a positive resolution.

Last Seen: Oct 11, 2024

Links to Additional Sources (1)

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Possible Unidentified Matches (1)

Unidentified remains cases whose details are consistent with this person, ranked by how closely they compare. Fields that are unknown in either case are left out of the score.

77%Possible
John Doe — Lansdowne, Pennsylvania
UP149401 • Found Aug 14, 2025
View case
Sex ✓Male
Age 60%Est. 18–100 vs 17
Race 100%White
Location 88%55 mi away, same state
TimingFound 10 months after last seen
Height 100%5'3"–5'6" vs 5'7"
Weight 100%131 lb vs 125 lb
Hair 100%Brown vs Brown

These comparisons are generated automatically from public NamUs case data and are not confirmed identifications. Only DNA, dental or fingerprint comparison by investigators can confirm an identity. If you believe two cases are connected, contact the agency handling the unidentified case.