Seif Mahssen was an infant reported missing from Weirton, West Virginia, on November 1, 1957. His disappearance prompted immediate searches by family, friends and community volunteers; flyers were distributed and local law enforcement conducted interviews and searched nearby areas while contacting local media to raise awareness.

Initial searches produced few leads, and as time passed no credible sightings or substantial evidence emerged, leaving investigators and the family without a clear explanation. The case has remained open and has been the subject of local media attention. His family has continued to hold vigils and community events to keep awareness alive.

If anyone has information about Seif or remembers circumstances in Weirton around November 1957, please come forward.