He becomes Carcetti's deputy chief of staff after he is elected.
McNulty ditches her when he realizes that she is pressing him for information about Bunny Colvin and Hamsterdam to help with Carcetti's campaign.
She similarly pressures Carcetti into approving the golden parachute for Burrell as it is the only way for him to eventually install Daniels as Commissioner.
This deception upsets Gray and destroys their friendship.
He is later shown breaking ground on the development with.
In Royce's first debate, opponent scores points against him using knowledge of the recent murder of a state's witness.
Gray acquiesces, and his public criticism of Royce is integral to Carcetti's eventual victory in the mayoral race.
Watkins at the same time agrees with the others in the administration that an out of town police commissioner should be sought as he has no confidence in Burrell either.