TV crime dramas a how-to guide for killers
`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.’
