It's a case that's been cold for nearly 40 years — Bernard "Bunny" Ross Jr. disappeared back in 1977.
But an anonymous letter sent to Ross' parents in Portland, Maine, claims to know where he is.
Maine State Police told the Portland Press Herald his parents received the letter "a few months ago" but didn't go into more detail. Police are asking whoever wrote the letter to come forward.
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Anonymous letter could help solve 40-year-old missing person case
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Maine State Police Lt. Troy Gardner said: "I've never had anything like this happen in my career. ... Of course, there's no way of knowing whether the letter's truthful or the information is accurate."