A Sioux Falls sex offender has been arrested on one count of possession of child pornography.
Detectives with the Internet Crimes Against Children Task Force served a warrant Friday afternoon at the home of Mario Castaneda Jr., 40, in the 4800 block of South Louise Avenue.
Castaneda is being held on a $10,000 cash-only bond.
Randy Sample, a deputy Minnehaha County States’ Attorney, said Monday during court that a Rapid City internet detective came across an IP which was keeping and distributing child pornography. A subpoena was issued for the IP, which was traced back to Castaneda’s Sioux Falls home, Sample said.
The task force found one image of child pornography on Castaneda’s