What happens when leaders aren’t respected by their subordinates? Often the subordinates go rouge. Consider the Secret Service. Fairly high opinion held by the public. With the Lightbringer in office that has changed.
Not to mention leaking details about a Congressman’s earlier application to join them.
My guess is the agent despises Obama and his crew. They will physically protect his ass but have such low morale that when temptations come around, they say, “Fuck it, let’s go for it”.