God save our constitution from this drug war.
Why wouldn't the lawsuit be against the Mexican government? Certainly they are far far more involved in the drug trafficking --- which goes on whether or not there are double agents involved.
Besides if it wasn't drugs, these same people would be committing other crimes --- the same guys are involved in human trafficking and kidnapping for ransom. It's their greed, their love of easy money that motivates them. They look for criminal ways to get very wealthy.