Psychiatrists have long studied the behavioral pattern

· Russia's Roston Cambel, Anderen Chekitalo - Killed 53 men & women in 12 years

s of serial killers and murderers. Donald Lund, a psychiatrist, concludes; that there are two broad-based categories; one termed as paranoid schizophrenia and the as sexual sadism. Majority of them is men and they are insensitive creatures who do not have any conscience. Studies have also shown that the childhood experiences also have an impact on the personality of serial killers. The violent behavior among these serial killers is a function of childhood characteristics. The psychological development of these murderers has been studied in detail through an understanding of their behavioral patterns.

· David Berkowitz, The Son of Sam - Killed six persons

John Douglas, a retired

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Approximate Word count = 516
Approximate Pages = 2 (250 words per page double spaced)