Amber Schmidt, 24, and Gary Lee Jackson, 26, both of Garland, were indicted for child pornography on October 20, 2011.
A child pornography investigation in Garland has police concerned there may be some children who may have been victims of sexual assault.
Late last month federal child pornography indictments were handed down for Amber Schmidt, 24, and Gary Lee Jackson, 26, both of Garland.
During the investigation into Schmidt and Jackson, Garland detectives discovered the possibility of sexual abuse on children that may date back at least six years.
Now Garland police are asking anyone who knows a child who came in contact with Schmidt or Jackson within the past six years to contact them at 972-205-2046.
Garland's Internet Crimes Against Children Unit has been working on the investigation with Dallas Police Department's Crimes Against Children Task Force, Homeland Security Investigations, U.S. Immigration and Customs Enforcement and the U. S. Attorney's office.