“Mom, don’t worry, everything is fine, I love you very much!”
he says on the phone.
Booth said that he was taken with all his belongings from a cell in an American prison.
He added that after that he spent seven hours on the road to Manchester and another "seven hours from Manchester".
The FSB also published a video of Bout's exchange for the American Brittney Griner.
The exchange took place on 8 December.