Federal and local investigators are seeking new information about the disappearance of a Massachusetts child 47 years ago.

The mother of Andrew Amato, a 4-year-old Webster boy, reported him missing on Sept. 30, 1978. The Federal Bureau of Investigation said Tuesday that it was offering up to $25,000 as a reward for information leading to an arrest and conviction in the case.

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The FBI said Andrew was last seen by his 7-year-old sister and 6-year-old cousin in a wooded area next to the Ash Street Trailer Park. The children said they were on a trail near the highway that is now Interstate 395 when Andrew stumbled and dropped his toy, refusing to return home without it.

The other children went to get help, but could no

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