A man claiming to be a federal agenct in Denton has been arrested on weapons charges. Ryan Grelle with Denton Police says they took Joshua Mitchell and a woman into custody after the two were suspected in a string of thefts. The two were found to be traveling with multiple weapons as well as two small children. Grelle says they also confiscated fake badges.  The two had outstanding warrants out of Collin County as well as North Carolina.  Both have been charged with two counts of  endangering a child.