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Case Description
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In the spring of 1968, 18-year-old Sydney Monzon was last seen alive in Provincetown, Massachusetts, getting into a car with a man named Antone "Tony" Costa. Her disappearance in May of that year initially garnered little media attention, as she was one of several local teenagers who had vanished, and authorities believed she might have left on her own accord. Monzon, who was described as a petite woman, about four feet, eleven inches tall, was living with a local fisherman at the time but was a ...Read More
Victim Details

Sydney Monzon

Female

White / Caucasian

Provincetown

MA

1968-05

18

Sydney

Monzon

11/08/2025