"One evening in 2009, April Balascio was searching online, as she had been every night, for unsolved murders in the towns her family had lived growing up, when she stumbled across the latest investigations into the "Sweetheart Murders" cold case. All at once, the buried memories of her father's dark history were awakened, and she knew she had to take action. She picked up the phone to call a detective and the rest is infamous true crime history. In...