The Gravel Pit Murders of Kathy Potter and Lee Kirk On a warm October night in 1971, two teenage girls set off for a visit that would change everything. Kathy Potter, 13, and Lee Kirk, 15, left their Toronto foster home heading for Richmond Hill. They never arrived. Two days later, their bodies were discovered side-by-side in a Pickering gravel pit. They had been carefully placed, yet brutally strangled. The investigation that followed revealed a heartbreaking breakdown in communication by the C