A Bowdoinham man has been arrested on a federal warrant charging him with possession of child pornography after an investigation by federal authorities that began in 2012.

Daniel Lajoie Jr., 45, was arrested Friday and brought Monday to U.S. District Court in Bangor, where Magistrate Judge John Nivison ordered him held without bail pending a detention hearing Wednesday.

Agents from the Department of Homeland Security began investigating Lajoie after they suspected he was sharing sexually explicit videos of children online, according to an affidavit filed with the court by one of the agents Monday.

Authorities first executed a search warrant on Aug. 22, 2012, at the home of Lajoie’s parents in Oakland, where his father told them that the son frequently visited and brought his laptop computer with him. Agents on the same day went to Lajoie’s home in Randolph, Loren Thresher of Homeland Securities Investigations said in the affidavit.

During questioning, Lajoie admitted that he downloaded child pornography on his laptop while at his parents’ house and allowed agents to examine his computer, revealing 50 images and 110 videos of child pornography, Thresher said.

If convicted, Lajoie faces up to 10 years in prison and a fine of as much as $250,000.

Scott Dolan can be contatced at 791-6304 or at:

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Twitter: @scottddolan