Kanika Powell, 28, heard a knock on her door in August 2008.  The person on the other side knew her name, but she didn't know them.  They said they were FBI.  Kanika was so rattled that she emailed her family and friends an account of the event.  She also called the police and the FBI - and installed a new security system.  Just a few days later, Kanika was murdered.  Tune in as we analyze the intracacies of Kanika's case, which is still unsolved.

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