Zdeno Mirga, 18, who was described by one victim as the "boss", was convicted of eight counts of rape and one count of inciting child prostitution.
In police interviews, an excerpt from which is above, Mirga had told police that he was a virgin.
He said that his Christian beliefs would prevent him from having sex before marriage.
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The mother of one of the Manchester attack victims has told of the distressing moment she found her daughter being treated after the attack.
Marjorie and Michael Cawdery, both 83, are understood to have been stabbed to death in a killing their family called "incomprehensible".
Detectives have launched a murder investigation following the shooting in Brent, north west London on Friday night.