On September 9, 1957, 15-year-old Gerald Montrio and his best friend, Robert Rasmussen left their homes in Plymouth, Massachusetts around 3:00 p.m. to go swimming in Massachusetts Bay and were never seen again. Later that day, their clothing was found neatly folded on Flat Rock by Plymouth Harbor, which prompted authorities to conclude the boys may have drowned, but neither body was recovered despite searches that included the U.S. Coast Guard.

Witnesses reported seeing two boys getting in and out of a boat near the harbor, and another person said they heard cries for help from the direction of the beach. Some people speculated the boys had staged a disappearance — both came from troubled homes and had discussed running away — and Gerald’s sister and Robert’s family continued to hope they had gone west rather than drowned. Gerald, originally from Bermuda, spoke English and Spanish and was described as mature for his age.

The case remains unsolved and neither boy has been found. Did anyone in the Plymouth area in 1957 see or hear anything that might shed light on what happened to Gerald and Robert?