Villegas must register as sex offender, serve 15-years probation after prison.
He faces 20 counts of sexual exploitation of a minor.
Case involves downloading and sharing child pornography on the Internet.
Mark Phillip Grimes pleaded guilty to two counts of sexual exploitation of a minor.
Child pornography was almost unheard of just 20 years ago.
A Tucson man was sentenced to nearly 25 years in prison Wednesday after pleading guilty to two counts of producing child pornography, officials said.
Police: 2 women left baby in car to shoplift
A Tucson man has been arrested by federal authorities who dismantled an extended network of child-pornography producers, officials say.
A 67-year-old Tucson man found with dozens of child pornography images on his computer was sentenced to six years in prison on Monday.
A Tucson man who was linked to downloading child pornography was arrested Thursday, police said.
Despite pleas for leniency from family members, friends and a defense attorney, a Tucson man was sentenced to five years in prison on charges that he viewed and exchanged child pornography on his computer.
Child porn nets man 10 years in prison
A man was arrested Thursday in connection with downloading child pornography, police said.
A former Tucson police officer caught with child pornography will spend the next decade in prison.
A Tucson man who pleaded guilty to child-pornography charges was sentenced Monday to five years in prison .
Tucson police are searching for a man wanted in connection with a child-porn investigation.
A convicted felon from Tucson was sentenced in federal court Tuesday to 18 years in prison for accessing child pornography.
A Tucson man, who was a convicted felon, was sentenced in federal court Tuesday to 18 years in prison for accessing child pornography.
A Tucson man was sentenced to 10 years in prison after pleading guilty to sexual exploitation of a minor for possessing child pornography.