WICHITA – A 47-year-old Wichita man has pleaded guilty to collecting more than a million images of child pornography. Matthew Alter, pleaded guilty to one count of possession of child pornography.

At the plea hearing, prosecutors told the court that Alter became the subject of an investigation after Italian State Police provided information that a computer user in Kansas was accessing a child porn Web site.

Investigators followed an electronic trail to Alter’s home in Wichita, where they served a search warrant and seized computer hard drives containing more than 1 million images of child pornography.

The children photographed ranged from 1-to-12 years of age. Investigators learned Alter had been collecting child pornography for 11-years.

Sentencing is set for April 16, and he faces a maximum penalty of 10-years in federal prison and a fine up to $250,000.