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Lone wolf or Satan cult - did Netflix serial killer Son of Sam really act alone?
Netflix true crime documentary is out this week (5 May), and it follows the murders of notorious serial killer, David Berkowitz.David Berkowitz, widely known as Son of Sam, went on a vicious murder spree between 1976 to 1977, evading cops and taunting them with twisted letters which threatened more violent crimes.Berkowitz killed six people and wounded up to ten, and was also named the ".44 Calibre killer" due to the gun being his murder weapon of choice.The killer's scary reputation was built after he wrote and sent eerie letters to the police and press, where he would profess his love for hunting down and killing his victims in grizzly detail.For instance, after fatally shooting Alexander Esau and Valentina Suriana who were both in a