The Tarrant County Sheriff’s Office has issued a warning against a spate of impostors exploiting the authority of law enforcement to commit fraud, targeting unsuspecting residents with threats of arrest warrants and missed jury duties. In a sobering reminder that such scams prey on fear and a desire to rectify supposed missteps, the Tarrant County Sheriff’s Office took to social media advising the community to be wary of these deceitful calls and texts.