http://culturecrossfire.com/etc/crime-mystery/the-slaying-of-lizzie-tomlinson/
A little girl goes missing from a busy park. The perp and her are seen by dozens of witnesses. She is found sadistically murdered soon after and the media storm that follows causes the police to bungle the investigation, leading to them arresting the wrong man. 30 years later a new lead has risen that may finally solve this cold case.