PART 2 OF 2 - Previously in Part 1 of the Yosemite Murders and the FBI agent who helped solved them. In 1999, a total of 4 women had mysteriously vanished near Yosemite National Park in California. Their bodies were eventually discovered...and they had been brutally murdered. After a massive investigation, the FBI felt confident they had the perpetrators behind bars. However Special FBI agent Jeffrey Rinek felt differently.