On the morning of 7 March 1997, Dublin awoke to one of the most horrific crimes in its history. The brutal murders of Sylvia Sheils and Mary Callinan in the quiet Grangegorman neighborhood. Join us as we delve deep into the chilling details of these gruesome killings, explore the flawed investigation that led to a tragic miscarriage of justice, and uncover the complex web of intrigue and deception that ultimately revealed the true perpetrator.