206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
On April 7, 1975, 17-year-old Steven Eugene Anderson disappeared from the New Lisbon State School in New Jersey, a facility for developmentally disabled individuals. He was last seen walking with his 12-year-old roommate, David Williams, after playing at a nearby ball field. Both boys, who were unable to care for themselves due to their disabilities, were heading back to their residence on the school campus but never arrived. Steven was moderately mentally disabled and had difficulty communicati ...Read More
Last Seen: Apr 07, 1975
Last Seen: Apr 07, 1975
Links to Additional Sources (9)
See any mistakes?Victim Details
Nov 17, 2009
Feb 24, 2021
Steven
Anderson
67
17
69 inches
150 lbs
White / Caucasian
Male
Apr 07, 1975
New Lisbon
New Jersey
Burlington County
08064
117
7623
New Jersey State Human Services Police
Trenton
New Jersey
Mercer County
08625
John Mastalski
Detective
P.O. Box 700, New Jersey
8002332915
State
Law Enforcement
S8094006
New Jersey State Human Services Police
6577
Brown
Blue
Blue
11/05/2025
Area Last Seen:


