Husband against wife ... Wife against husband ... Discover what happens when the bonds of family break ... Find out more about the gruesome case of the so-called 'Scissor Sisters', whose bloody slaughter of their mother's lover ended with an unsolved mystery as to the final resting place of the victim's head - see the only interview with killer Charlotte Mulhall since she entered prison. . Read the most up-to-date account of the murder of mother-of-two Rachel O'Reilly, including her husband's latest appeal. And get the full story behind the sensational case of Sharon Collins and the 'Lying Eyes' hitman-for-hire scandal. As a leading crime reporter for the Sunday World, Niamh O'Connor has interviewed killers, has sat in court as justice was done, and spoken to the condemned in prison to give us the inside stories on three of Ireland's most notorious murder cases.