Many police departments still use DNA evidence the way they have used fingerprints and tire tracks: to determine whether a suspect committed the crime.
From Bill Dedman
Cities vary widely in the use of DNA testing.
In Los Angeles, the Police Department buys a 40-foot refrigerated trailer truck every six months just to hold DNA evidence.
If he is convicted, Dr. Kevorkian says he will die a martyr's death by going on a hunger strike.
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