Activists and students from three Florida colleges were among those protesting Friday over the state's response to the death of a teenager at a Panama City juvenile boot camp.
Surveillance video from January shows 14-year-old Martin Lee Anderson being kicked and struck by guards. A day later, Anderson was dead.
Civil rights activist Al Sharpton and others want the guilty to be held accountable. Florida Gov. Jeb Bush agrees.
"I've already stated my commitment to the fact that justice needs to be served.
And I think that every action I've taken validates that," said Gov. Bush.
The state's top law enforcement officer, Guy Tunnell resigned Thursday, amid criticism over his handling of the death investigation and disparaging remarks about Jesse Jackson and Senator Barack Obama's involvement in the matter.