Mistry Behind Chalcones

Abigail watched the execution of her fathers killer by hanging in the execution chamber. But Abigail finds little comfort in knowing that the people who killed her father will never kill again. Since no one ever revealed the names of the people who framed him, she digs for names herself and uncovers deep classified information and secret.
Did they execute the wrong man, Who will they kill next, are the killers still out there?