Mark Enders, 36, was last seen in Marlboro Township, New Jersey, in November 1993. Reports tie his disappearance to his leaving a local hospital on November 12, 1993, though the exact date remains somewhat vague. He was described as a white male, 5 feet 8 inches tall, about 154 pounds, with graying hair and brown eyes. When last seen he wore a red jumpsuit, a white shirt, and blue jeans.

The New Jersey State Human Services Police handled the investigation. The case was entered into the National Missing and Unidentified Persons System under case number MP9019 on December 27, 2010, and the file has been kept active. Little public information or major developments have been reported since his disappearance, leaving unanswered what happened after he left the hospital that day.

If anyone knew Mark, saw him in Marlboro Township in November 1993, or has information about his movements after he left the hospital, please share what you know.