A "depraved" abuser who repeatedly raped a seven-year-old girl and made her re-enact scenes from an extreme pornographic film has been jailed.
David Thompson admitted 30 child sex offences, including six counts of raping a child under 13.
The charges related to the abuse of two girls over a period of about three years.
Thompson, 60, was sentenced to 24 years in prison at Bolton Crown Court on Tuesday.
The court heard how one of his victims was repeatedly raped and was at times forced to watch a pornographic "fetish" film.
Thompson, of Presto Gardens in Deane, Bolton, would then commit sex acts on her and make her re-enact scenes from the film.
He admitted his guilt only after both girls gave evidence at the trial.
Det Con Lee Gridley, of Greater Manchester Police, said: "This is without a doubt one of the worst cases of child sexual abuse I have investigated.
"Thompson is a depraved individual with extreme pornographic fetishes who subjected two innocent and vulnerable young girls to appalling abuse.
"I cannot begin to contemplate the lasting physical and psychological impact this will most likely have on them both.
"They have shown great strength and courage in not only finding a voice to report the abuse, but, at such a young age, in being prepared to give evidence to ensure this dangerous individual has been brought to justice."