M. Dunley

Agent M. DunLey was a Secret Service agent during Day 5.

Day 5
At 12:33pm, Agent DunLey was asked by Agent Aaron Pierce why Jack Bauer was under arrest. DunLey responded that the order to apprehend Jack came from Chief of Staff Walt Cummings. Jack was taken to a shed by the other Secret Service agents and kept there under arrest.

Background information and notes

 * On the Secret Service personnel scheduling software screen which Agent Steve Thompson pulled up several hours later, it can be seen that DunLey's first initial is "M".