How DNA evidence works

With the exception of identical twins, each person has a unique DNA profile. This makes DNA matching a powerful tool for finding and convicting the perpetrator of a crime.
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With the exception of identical twins, each person has a unique DNA profile. This makes DNA matching a powerful tool for finding and convicting the perpetrator of a crime.

Michael McGough anchors The Sacramento Bee’s breaking news reporting team, covering public safety and other local stories. A Sacramento native and lifelong capital resident, he interned at The Bee while attending Sacramento State, where he earned a degree in journalism.