According to the NY Times, U.S. agents have laundered and smuggled hundreds of millions of dollars in drug money to help Mexico fight organized crime. The agents wanted to see how the drug proceeds worked its way through the system. The hope was to use the information against Mexican drug cartels.
The agents “tried” to watch the operations closely.
This is similar to Fast & Furious in that it seems to go over the line into actual criminal activity on the part of agents. It furthered drug operations.
This is an “end justifies the means” approach to law enforcement.
I hope Mexico knew actually about this operation which has been going on for about three years. Yikes!