Pennsylvania Secret Service chief Timothy Burke is among five agents put on ‘administrative duties’ as part of a probe into failures that allowed 20-year-old Thomas Crooks to shoot Donald Trump last month. Burke is the Special Agent in Charge (SAIC) of the Secret Service Pittsburgh field office, and has been in the role since at least 2016. When reached by phone, Burke, 48, told DailyMail.com said he could not comment on the case.