The ultimate aim of the justice department is to combat the Mexican drug cartel.
Step-by-step explanation:
Drug cartels are the criminal organizations who have the aim and the purpose of supplying drugs to the people and with the intention of supplying drug trafficking operations.
Justice department of the United States of America has the aim of fighting against the drug cartel of Mexico. The ultimate aim of this justice department is to finish this drug cartel and combat it as soon as possible to finish these trafficking operations.