Editor's Note: Steve Chapman is on vacation. The following column was originally published in October 2005.

During the 1990s, a vicious criminal was preying on women on the South Side of Chicago. The first victim was found beaten to death in a vacant lot in 1993. Police found DNA evidence at the scene. They found DNA evidence from the same assailant in seven other murders and a rape. But they couldn't match it to anyone.

Finally, in 2000, police arrested a man who had be ...

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