Peace Church Cemetery in Joplin, Missouri, is reputedly haunted by the spirit of mass murderer Billy Cook, who was buried in an unmarked grave at the cemetery after his execution. Visitors have reported sightings of eerie lights, ghostly figures lurking in the trees, strange sounds, and disembodied voices, suggesting that Cook's restless spirit may be responsible for the hauntings. The most prominent story links the hauntings to Billy Cook, who committed a spree of murders and kidnappings in the early 1950s. Unexplained lights have been reported by people who visit the cemetery. Visitors have reported seeing ghostly figures in the trees and hearing voices, including those of children. Some accounts describe seeing a shadowy figure that vanishes when approached.