The collaboration between two federal agencies is not that simple, especially when one is in the northeast, New York State, and the other is in the southwest, New Mexico. They rarely have any interaction.
However, since both sides agreed, all that remained was to follow the procedure. Jimmy waited in Albuquerque for two days before being notified that he was to assist the DEA in Albuquerque with their investigation into the ambush on Hank by assassins.
Of course, the FBI isn't completely uninvolved. The Albuquerque office also received a request for assistance, but for this case, the FBI's involvement is led by Jimmy, and they mainly cooperate with him.
Intervening in someone else's territory is somewhat overstepping, but after making a call with Ruiz to inquire about the arrangements, Jimmy put away his reservations.
