Russian authorities are still pursuing a case against Browder. As Winer notes, the Mutual Legal Assistance Treaty, allows Russian prosecutors to ask the U.S. Attorney General to arrange for Americans to testify in criminal cases—with one significant exception—as noted by Winer: | Russian authorities are still pursuing a case against Browder. As Winer notes, the Mutual Legal Assistance Treaty, allows Russian prosecutors to ask the U.S. Attorney General to arrange for Americans to testify in criminal cases—with one significant exception—as noted by Winer: |