Big harp lil harp were Americas first serial killers. 1798-1799 when big harp was shot and killed in muelenberg county. They cut his head off and hung it on a tree between Dixon and highway 56. Killed 43 known people between Tennessee and cave in rock. They spent a lot of time at diamond island. And a place known as harps house. It was an overhang of rock beside a stream were he could water his horses. They were ran off from cave in rock by a group of pirates led by a man named mason. They supposedly buried there takings at harps house. We started at harps head marker and was lead by dowsing rod to a limestone thrust fault overlooking a creek. And the man that owns it gave permission to look and dig anywhere on both sides of the creek.