JEFFERSON CITY, Mo. – A Columbia man has been charged in federal court, with child sexual exploitation. A federal prosecutor announced Thursday, that  Sergio Antonio Dominquez-Gonzalez, 23, was charged in a criminal complaint in Jefferson City. Dominquez-Gonzalez will make his initial appearance in court later today. Federal agents allege Dominquez-Gonzalez sent pornographic images and videos of a toddler over the internet. On Wednesday, February 22, law enforcement executed a search warrant at his residence and seized five cell phones, a desktop computer and a digital camera.