When Tammy Klein began investigating crime scenes eight years ago, it was virtually unheard of for a killer to use bleach to clean up a bloody mess. Today, the use of bleach, which destroys DNA, is not unusual in a planned homicide, said the senior criminalist from the Los Angeles County Sheriff's Department.
Klein and other experts attribute such sophistication to television crime dramas like CSI: Crime Scene Investigation, which give criminals helpful tips on how to cover up evidence. # posted by
Gerry Canavan @ 3:06 PM
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