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The Wednesday arrest of Tennessee Sen. Lamar Alexander‘s chief of staff, Ryan Loskarn, on charges related to the possession and distribution of  child pornography stems from a joint investigation of the U.S. Postal Inspection Service and the Toronto Police Service, according to a criminal complaint and statement of facts that were filed today in federal court.

The investigation dates back to October 2010, when the two agencies investigated a movie production company’s website that offered DVD delivery and online streaming of films largely featuring young nude boys. They discovered that Loskarn had purchased several items delivered to his D.C. home between November 2010 and March 2011, according to the documents.

Investigators were able to identify his home’s IP address through the Gnutella peer-to-peer network and saw that he downloaded a disturbing file showing an adult male penetrating a young girl who appeared to be between the ages of six and nine anally and vaginally.

When law enforcement went to search Loskarn’s home Wednesday with a warrant, they forced their way in and saw Loskarn appearing nervous and “leaning outside the middle second window.” According to the documents, investigators later determined he was placing his portable hard drive outside. They found hundreds of videos of underage boys engaged in sexually explicit conduct and some videos with young girls on the hard drive.

Loskarn is set to appear in federal court in D.C. this afternoon.

Read the full complaint below:

[documentcloud url=”https://www.documentcloud.org/documents/894905-loskarn-complaint-1.html”]

Photo by afagen via Flickr/CC BY-SA 2.0