By Pem McNerney On July 5, John Koobatian, 13, of Madison, was visiting Chatfield Hollow with his friends and family. The same day, Casey, an elderly 15-year-old black lab was also visiting Chatfield Hollow, in nearby Killingworth, CT, with her owner.Koobatian's mom, Nadine Koobatian, says Casey went for a swim in the pond and became disoriented.Read More... More on Teen Impact