Some of the cruel and terrifying torture methods sound like something out of a film. But they were all too real for the victims, who received horrifying injuries and went through harrowing ordeals.
In some cases victims were bound and gagged and had a hood pulled over their head, as they received brutal punishment beatings. Others had boiling water poured over them, were ordered to swallow rat poison and were even held at gunpoint.
They are among Greater Manchester's most disturbing offences - kidnap, false imprisonment and torture. And there have been a series of them lately - here, we look at the details.