A southern New Jersey man who pleaded guilty in a child pornography investigation that led to several other arrests is now headed to prison.

State authorities say 24-year-old Daniel Allen Jr. of Voorhees received a seven-year term. He also must register as a sex offender under the sentence imposed Friday and will be subject to parole supervision for life.

Allen had pleaded guilty last August to manufacturing and distributing child porn and child endangerment.

Acting Attorney General John Hoffman says authorities found "a massive stash of hardcore photos and videos" on Allen's laptop when the executed a search warrant at his home in August 2012. A forensic examination of his computer equipment revealed that he had roughly 15,000 still images of child porn and about 200 videos.

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