Seven-year-old Michelle Norris vanishes from a playground in 1988 and is found dead in the nearby woods four days later; clues suggest the murderer could possibly be someone who lived in the neighborhood.

The killer of college student Faith Hedgepeth has never been found.

How did twenty-one-year-old student Christopher Jenkins die on Halloween night in 2002? Did he fall from a bridge into the Mississippi River by accident? Did he commit suicide? Or was he murdered? And does a mysterious island hold all the answers?

In 2011 Rebecca Zahau was found dead, hanging naked, her hands bound behind her back. It had all the signs of murder, but police ruled it a suicide. Were they wrong? Or did she pull off one of the most incredible death scenes ever staged?

It's been over thirty years since a brutal serial killer terrified this tropical paradise, savagely murdering five young women. Although he was never caught, new clues and eyewitness accounts offer strong evidence that this case can now be solved.

Security guard Ray Jennings was convicted of killing eighteen-year-old Michelle O'Keefe at a parking lot where he worked in 2000. Eleven years later he was declared innocent. If he's not guilty, how did he know things only the killer could know?