Secret Service managers told agents on the ground in Atlanta not to file a written report after discovering that a convict with a gun rode in an elevator with President Obama during his visit to the Centers for Disease Control and Prevention Sept. 16, according to two sources familiar with the case.

The president’s Secret Service protective detail and other agents routinely file written reports if anything even mildly suspicious happens during a presidential trip or in the course of protecting any member of the first family at the White House on any given day.

Agents became alarmed during Obama’s trip to Atlanta after discovering that a private security contractor working for the CDC with a criminal record had a gun within arms-length of the president, but superiors told them not to file “any paperwork” or initiate an investigation, according to two sources familiar with the case.