Topics and Guests: July 20

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• Might sloppy police work cause big problems for the Peterson (search) prosecution? Don't miss the latest shocking details out of Redwood City, California and expert insight and analysis from our panel of legal eagles.

• Plus, did former Clinton national security adviser Sandy Berger (search) take highly classified terrorism documents from the National Archives ... without permission?

• After a weeklong search, a New Jersey man has been arrested and charged for the murder of 16-year-old Brittney Gregory (search), but the search continues for the teenager's body. How can the authorities be sure they have their man?

These stories and much more...

Don't miss "On the Record" tonight at 10 p.m. ET.