The Linn County Sheriff's Office arrested a man on child porn charges.
Eric Wayne Dille, 39, of Mill City was charged with 11 counts of Encouraging Child Sexual Abuse in the First Degree, 11 counts of Encouraging Child Sexual Abuse in the Second Degree, Unlawful Possession of Methamphetamine and Endangering the Welfare of a Minor.
The arrest came investigators working an undercover operation became aware of a computer actively making available for download the illegal material.
During the operation, investigators observed several files being made available for download that depict known victims of child sexual abuse.
Some of the victims identified have been rescued from their abusers by law enforcement agencies from around the world.
The sheriff's office served a search warrant at a Third Avenue address in Mill City on Oct. 17 and took Dille into custody.
A minor child living in the home was placed in the care of the Department of Human Services.