Investigators are looking for evidence on Mayetta Landing Road near Route 9 in in the Edwin B. Forsythe National Wildlife Refuge. That's located in Stafford Township in Ocean County.
They are working on the case of two developmentally disabled boys -- Steven Anderson, then 17, and David Williams, then 12 -- who disappeared in April 1975 from the New Lisbon State School in Burlington County.
The FBI previously released age-progressed photos that show what they would have looked like at 48 and 56 years old.
There's no word yet if FBI agents have found anything at that location.
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