Gilgo Beach serial killer's private 'kill blueprint': 'Play time' with bodies, stopwatch to beat his record… read the sick notes he kept after each murder

A serial killer dubbed the 'Gilgo Beach killer' documented his crimes in disturbing notes, detailing a methodical approach that included timing murders with a stopwatch and engaging in 'play time' with victims' bodies. The notes reveal a chillingly calculated mindset and a desire to improve efficiency in his killings.