David Berkowitz was born Richard David Falco in Brooklyn, New York, on June 1, 1953. His mother, Elizabeth "Betty" Broder, grew up as part of an impoverished Jewish family. She married Tony Falco, an Italian-American, in 1936. After a marriage of less than four years, Tony Falco left her for another woman. In 1950, Broder started a relationship with a married man named Joseph Klineman. Three years later, she became pregnant with a child to whom she chose to give the surname Falco and, within a few days of Richard's birth, Broder gave the child away. Although her reasons for doing so are unknown, later writers have surmised that Klineman threatened to abandon her if she kept the baby and used his name.
The infant boy was adopted by Pearl and Nathan Berkowitz of the Bronx. The Jewish-American couple were hardware store retailers of modest means, and childless in middle age. They reversed the order of the boy's first and middle names and gave him their own surname, raising young David Richard Berkowitz as their only child.
Journalist John Vincent Sanders wrote that Berkowitz's childhood was "somewhat troubled". Although of above-average intelligence, he lost interest in learning at an early age and became infatuated with petty larceny and starting fires. Neighbors and relatives would recall Berkowitz as difficult, spoiled, and a bully. His adoptive parents consulted at least one psychotherapist due to his misconduct, but his misbehavior never resulted in a legal intervention or serious mention in his school records. Berkowitz's adoptive mother died of breast cancer when he was fourteen years old, and his home life became strained during later years, particularly because he disliked his adoptive father's second wife.
At the age of 17 in 1971 he joined the United States Army and served in the United States and South Korea. After an honorable discharge in 1974, he located his birth mother, Betty. After a few visits, she disclosed the details of his birth. The news greatly disturbed Berkowitz, and he was particularly distraught by the array of reluctant father figures. Forensic anthropologist Elliott Leyton described Berkowitz's discovery of his adoption and birth details as the "primary crisis" of his life, a revelation that shattered his sense of identity. His communication with his birth mother later lapsed, but for a time he remained in communication with his half-sister, Roslyn. He subsequently had several non-professional jobs, and at the time of his arrest he was working as a letter sorter for the United States Postal Service.
Source: https://en.wikipedia.org/wiki/David_Berkowitz
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