When a teenager in Texas borrowed a family friend's computer, he made a shocking and sickening discovery. The boy found nude photos of his 10-year-old sister on the computer of Joe Garza Jr., according to the Star-Telegram. >> Read more trending news Garza, 65, was arrested March 3 on child pornography charges, and faces additional charges after it was discovered that he allegedly molested an older sister in the family years ago. The Star-Telegram reports that the boy, who was trying to fix the hard drive on his own computer, asked to borrow Garza's computer. While using it, he clicked on a folder and discovered the images of his sister. He returned the computer to Garza and told his mother about the images. She asked the boy to request to use the computer again so she could see the images for herself. The mother confronted Garza about the images and police were called to the scene. Officer Domingo Martinez, who works for the Fort Worth Police Department’s Crimes Against Children Task Force, told the Star-Telegram that Garza admitted to the mother that he had a problem and said he would disappear if she didn't call police. In interviews with authorities, the 10-year-old victim said Garza bought her items and gave her money, and told her not to tell her parents about the abuse. Garza remains behind bars while investigators work to determine if there are additional victims.