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Perspective

Sep. 15, 2010

Familial DNA Search: Chains That Betray, Chains That Bind

Los Angeles' "Grim Sleeper" was the first case in America to use familial DNA testing to solve a crime. What does this process involve? By Frank Loo a San Bernardino public defender.

By Frank Loo

As of 2004, California possessed approximately 338,000 DNA samples from convicted felons. In April 2008, the state started performing familial searches for partial DNA matches in cold cases after complete matches were not made in an attempt to locate culprits through a partial match with his or her relatives. At the start of 2009, California began collecting DNA evidence from everyone arrested for a felony. The Los Angeles "Grim Sleeper...

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