In this image released by NBC, parents of Trayvon Martin, Sybrina Fulton, left, and Tracy Martin appear on the "Today" show with co-host Matt Lauer in New York. Martin's parents plan to participate in... more 
In this image released by NBC, parents of Trayvon Martin, Sybrina Fulton, left, and Tracy Martin appear on the "Today" show with co-host Matt Lauer in New York. Martin's parents plan to participate in separate vigils on Saturday. Sabrina Fulton and her other son Jahvaris Fulton will join Al Sharpton outside New York Police Department headquarters while Tracy Martin is set to be at a similar event at a federal courthouse in Miami. (AP Photo/NBC, Peter Kramer) less 
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Associated Press | Photo By NBC, Peter Kramer
Thu, Jul 18, 2013 1:55 PM EDT