Great Hill Cemetery in Seymour, Connecticut, also known as Hookman's Cemetery, is reportedly haunted by the ghost of a former caretaker who had a hook for a hand and is said to have hanged himself from a nearby tree. Visitors have reported hearing the hook scraping on the roofs of their cars when parked under the tree where the caretaker died. Haunted Legend of the Hookman. The cemetery is said to be haunted by a former caretaker who lost his hand and replaced it with a hook. He is believed to have committed suicide by hanging himself from a tree on the cemetery grounds. People who park their cars under this specific tree have reported hearing the sound of his hook scraping along the roof of their vehicles.