The Piscataway High School student's cause of death has not been released and his family isn't commenting.
Police had used evidence from swabs to fingerprints to try to locate the boy for years.
But Detective Dave Carmen recently obtained a blood sample that was entered in the Center for Missing & Exploited Children's national database. The sample came up a match in New York City.
Maurer will be buried at Resurrection Burial Park on Saturday.
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Information from: Home News Tribune, http://www.mycentraljersey.com
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