David Berkowitz: The Son of Sam
The Demons Take Over
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After the two Christmas Eve attacks, David went back to his security guard job at IBI Security. He moved from his tiny Bronx apartment in January to a two-family home in Yonkers owned by Jack and Nann Cassara. He wanted a two-year lease and paid a $200 security deposit.
Cassara's German shepherd was a noisy dog and howled frequently. The neighborhood dogs howled back. In David's diseased mind demons lived within the dogs and their howling was the way they ordered David to go hunting for blood — the blood of pretty young women.
Berkowitz was driven to the edge: "I'd come home to Coligni avenue like at 6:30 in the morning. It would begin then, the howling. On my days, off, I heard it all night, too. It made me scream. I used to scream out begging for the noise to stop. It never did.
"The demons never stopped. I couldn't sleep. I had no strength to fight. I could barely drive. Coming home from work one night, I almost killed myself in the car. I needed to sleep... The demons wouldn't give me any peace."