The second-degree murder trial of George Zimmerman continues in Sanford, Fla. Friday, as the former neighborhood watchman is accused of shooting and killing teen Trayvon Martin in a racially-charged case that's gripped the country's attention.

On Thursday, prosecutors wrapped up their closing argument, with attorney Bernie de la Rionda dramatic in his summation.

"A teenager is dead," de la Rionda said. "He is dead through no fault of his own. He is dead because a man made assumptions.