Walter Sebaste is sentenced to four years and three months in prison for having child pornography. (File photo)A 41-year-old Portland man was sentenced to federal prison on Tuesday for having child sexual abuse material. Their abuse is magnified when it is recorded and accessed by criminals such as Walter Sebaste,” U.S. Attorney Scott E. Bradford said in a statement. On Sept. 19, 2025, Sebaste’s residence was searched and his electronic devices were seized, which revealed more than 1,000 images of child pornography. A grand jury indicted him of possessing child pornography on Feb. 19, and Sebaste pleaded guilty on April 30.