From Patriots&Politics:

The commander, Gulmurod Khalimov, is Tajikistan’s highest-ranking military member to join the Islamic terror group to-date.

In the video, Khalimov claims to have trained with Russian special forces in Moscow as well as American special forces in Baton Rouge, Louisiana. At one point, he boasts about receiving specialized training from U.S. private security contractor, Blackwater in North Carolina.