Watch: Who is convicted arms dealer Viktor Bout? | CNN

Hear why Moscow wanted ‘Merchant of Death’ in exchange for Brittney Griner

Russia has released WNBA player Brittney Griner in a prisoner swap for Viktor Bout, nicknamed the “Merchant of Death” by his accuser. He was serving a 25-year prison sentence in the United States on charges of conspiring to kill Americans. He has maintained his innocence.