The agents' plans begin to fall apart as they are about to arrest Sid and the Solanos on the season finale of Graceland. 

Lucia's theft of the money from the sting forces Johnny and Lucia to return to the Solano compound, only to fall into Carlito's trap.

Briggs, instead of staying to nail Sid, returns to the US to help find Charlie when he learns of her disappearance. The move causes Mike to head south and find a blod bath at the Solano compound, including a mortally wounded Sid.