Monday's shooting is being investigated by the Dallas police and the United States Postal Inspectors. Dallas police and U.S. Postal Service Inspection Service are asking for anyone with information to contact Detective Walton at 214-671-3632 or 214-701-8453.
U.S. Postal Inspectors in cooperation with the Dallas Police Department arrested 25-year-old Donnie Ferrell of Hutchins. McMurrey says federal authorities will determine the exact charges, but Ferrell will appear before a U.S. Magistrate judge Thursday.