Rod Rosentstein has not overseen the Mueller investigation since his AF1 trip with POTUS he is now working OCDETF.
Task force at the center, once headed by Bruce Ohr, now directed by Deputy AG Rosenstein
The Organized Crime Drug Enforcement Task Forces program was established in 1982 as a means to combat increasingly organized drug traffickers.
The OCDETF program is an unusually broad coalition that, as noted by former Attorney General Jeff Sessions, “brings together just about every federal law enforcement agency there is. It’s the Swiss Army knife of law enforcement.”
The program’s strategy, which currently operates under the direction of Deputy Attorney General Rod Rosenstein, aims to “focus federal drug resources on reducing the flow of illicit drugs and drug proceeds by identifying and targeting the major trafficking organizations, and eliminating the financial infrastructure of drug organizations.”
In October 2017, Sessions announced that he was designating the international criminal gang MS-13 as a priority for the OCDETF. Sessions came under some criticism for his actions, with many noting that MS-13 didn’t represent a significant force in the drug-trafficking business. But Sessions himself acknowledged this, while at the same time, noting the strength of the program’s reach:
https://www.theepochtimes.com/string-of-indictments-by-doj-point-to-multiple-global-operations_2758670.html