Does Zimmerman have hysterical amnesia?

SANFORD, FL - JULY 10: Defendant George Zimmerman sits in Semimole circuit court during his murder trial July 10, 2013 in Sanford, Florida. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (Photo by Gary W. Green-Pool/Getty Images)

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    Does Zimmerman have hysterical amnesia?

CNN's Randi Kaye reports on "hysterical amnesia," which is when people don't remember particular past events.