Mark Sullivan

US secret service chief Mark Sullivan retires

US Secret Service Director Mark Sullivan has announced his retirement, bringing to a close a turbulent period for the law enforcement agency.

Feb 02, 2013, 09:46 AM IST

`No security breached in Colombian prostitution scandal`

Secret Service director Mark Sullivan said the agents were to get security briefing hours after the night they were with prostitutes.

May 23, 2012, 15:39 PM IST