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A Michigan man ran a child pornography operation because it was the only thing that turned him on sexually, he told authorities.

Now the man and his wife—who allegedly helped him—are facing multiple counts of producing and receiving large amounts of child pornography, The Detroit News reported.

Police said Colin Matthew Boyle, 29, a convicted sex offender with two prior convictions, ran a pornography scheme that entailed his wife, Angela Boyle, sending him photos of naked children. The couple also allegedly took nude photos and video of young children, some as young as one-year old.

One investigator said it was the worst case he had seen in his entire career.

“All of the investigators on this case were disturbed by the type and the extensive volume of material recovered during this investigation,” Lake Orion police said in a release. “One seasoned investigator stated this was the worst case he has investigated in his 20-year career.”

Boyle was arraigned June 13 on three counts of first-degree criminal sexual conduct involving a person under the age of 13, authorities said. He was jailed on $750,000 bond and held over for trial in Oakland County Circuit Court following a probable cause hearing. Earlier this month, his pre-trial hearing was scheduled for Feb. 2017, according to  Oakland County court records.

Police said the charges are the result of an FBI probe, along with theassistance of Lake Orion Police, into the production and distribution of child pornography. The investigation included a search warrant being executed at Boyle’s home on Nov. 9, 2015, where computers and other storage media were recovered that led to his arrest.

Agents also reportedly raided the Lake Orion home of Boyle’s parents. One of the items discovered in the search was a camera containing a video that showed a naked one-year-old girl, an affidavit said. Boyle and his wife both admitted to performing sex acts with the child and a three-year-old boy, according to the investigation.

“This type of investigation will always rock a community to its core and the gravity of the crime and the helplessness of the victims impacts even seasoned investigators,” Lake Orion Police Chief Jerry Narsh said. “There may be more that comes from this investigation.”

Rick Sarlat |