Serial murder peaked during the 1970s and 1980s , James Alan Fox and Jack Levin write . Rapid growth of U.S. prison population may have contributed to the decline , they say . Yet regardless of the decline in numbers , any serial murder remains a difficult and perplexing problem for law enforcement . Comment:
Serial murder peaked during the 1970s and 1980s , James Alan Fox and Jack Levin write . Rapid growth of U.S. prison population may have contributed to the decline , they say . Comment: