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Tributes to Trayvon Martin continue, from churches to the NBA

Mario Tama / Getty Images

Supporters hold hands during a prayer vigil for Trayvon Martin at Allen Chapel AME church on March 23, in Sanford, Fla.

Duane Burleson / AP

Miami Heat guard Dwyane Wade wears a message honoring Trayvon Martin on his shoe before their NBA basketball game against the Detroit Pistons, Friday, March 23, in Auburn Hills, Mich. Wade and LeBron James wore messages written on their shoes to make their reactions about the Trayvon Martin situation public.

National attention on the death of Trayvon Martin continues, nearly a month after the 17-year-old was shot and killed by neighborhood watch volunteer George Zimmerman in Sanford, Fla. Students in Florida walked out of school early Friday, churches held vigils and even NBA players wore tributes to the teen during Friday night games.

Geraldo Rivera blames hoodie for Trayvon Martin death

Obama: 'If I had a son, he'd look like Trayvon'

Alan Diaz / AP

Michael M. Krop Senior High School students carry signs and chant during a rally demanding justice for Trayvon Martin, Friday, March 23, in Miami Gardens, Fla.