Task Force KleptoCapture (Klepto comes from the Greek verb "klépto", which mean to "steal") is a United States Department of Justice unit established in March 2022 with the goal of enforcing sanctions on Russian oligarchs in response to the Russian invasion of Ukraine. Kleptocapture is tasked with finding the assets of sanctioned oligarchs hidden around the world.
FSB is the Federal Security Service of the Russian Federation, and is the main security agency of Russia and the successor to the KGB after the collapse of the Soviet Union. The FSB is responsible for counter-intelligence, internal and border security, counterterrorism, surveillance and investigating serious violations of federal law. In essence the FSB is Russia's version of the NSA, FBI and DHS.