Michael O'Brien was a victim of a miscarriage of justice over a murder in Cardiff. He was driven to discover more about the many notorious and dubious convictions made in south Wales over a period of thirty years. This is the shocking result of his research into eleven cases, and the Miscarriage of Justice Unit in the South Wales Police Force.

"The Dossieroffers plentiful evidence of that belief being put into practice in a catalogue of intimidations and false confessions, often obtained after interviewing under duress, or after the accused has been chained to radiators, denied sleep, or food or often access to a solicitor" - Nation.Cymru
"You might finish The Dossier asking a (possibly unanswerable) question O'Brien doesn't raise: is there a particular rot to south Wales' policing culture, or is it merely a regional variation of a worldwide malaise?" - Buzz Magazine