Sanford, FL (KSDK) - The pressure is intense for police in Florida.

People are demanding the arrest of George Zimmerman, the neighborhood watch captain who shot and killed 17-year-old Trayvon Martin last month.

NBC Correspondent Ron Allen has been closely following the developments in this story and joined us live from Sanford, Florida to talk about the case.

Click the video player above to watch the interview.

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