Jimmy Savile abused at least 500 victims over five decades, from BBC studios to NHS wards to a secure psychiatric hospital. This is how he did it, and how so many people let it happen.

Íngrid Olderöck was the most feared woman in Pinochet's secret police. A self-declared Nazi, first female paratrooper in Latin America, and DINA's most notorious torturer, her story is one of the darkest from Chile's dictatorship.

The Casati Stampa case had everything: wealth, scandal, obsession, diaries and murder. One of Italy’s strangest and most disturbing true crime stories unfolded in Rome in 1970.