Berkowitz pleaded guilty to eight separate shooting attacks that began in New York City during the summer of 1976. The crimes were done with a .44 caliber Bulldog revolver. He killed six people and wounded nine others by July 1977. On the night of August 10, 1977, Berkowitz was taken into custody by New York City police homicide detectives in front of his Yonkers apartment building.
- Fishman, Steve (2006). "The Devil in David Berkowitz". New York (New York Media, LLC). http://nymag.com/news/crimelaw/20327. Retrieved September 27, 2012.
- "Larry King Interview with David Berkowitz". CNN.com Transcripts. CNN. 2002. Retrieved September 28, 2012.
- "Crime File: David Berkowitz (Son of Sam)". Crime & Investigation Network. AETN. 2011. Retrieved September 28, 2012.
- Italie, Hillel (November 26, 2015). "At the Movies: 'Summer of Sam'". AP Online. Retrieved September 26, 2012. – via HighBeam Research (subscription required)
- Arise and Shine, official website