As closing arguments are heard on the monthlong second-degree murder trial against George Zimmerman in Stanford, Fla., opinions are running high as people on both sides feel strongly about the case.

As closing arguments are heard on the monthlong second-degree murder trial against George Zimmerman in Stanford, Fla., opinions are running high as people on both sides feel strongly about the case.
As closing arguments are heard on the monthlong second-degree murder trial against George Zimmerman in Stanford, Fla., opinions are running high as people on both sides feel strongly about the case.
As closing arguments are heard on the monthlong second-degree murder trial against George Zimmerman in Stanford, Fla., opinions are running high as people on both sides feel strongly about the case.
Nichols is investigating proteins linked to inflammation in the brain that occurs as part of the neurodegenerative disease.