Derek Plotner was 25 when he was last seen on June 18, 1998, in Happy Camp, California. He is described as 6 feet tall, about 155 pounds, with brown hair and blue eyes.

Few details are available about the circumstances of his disappearance. Family members and investigators have worked to find him but say no significant leads have emerged, and he remains classified as a missing person.

Does anyone who lived in or near Happy Camp in June 1998 remember Derek or have information that could help investigators?