I believe the prosecutor did it deliberately because Zimmerman wanted her to charge him with SOMETHING so an official ruling could be made.
A judge throwing the case out is an official ruling that he is not guilty of anything.
18 posted on 04/12/2012 4:35:22 PM PDT by E. Pluribus Unum
(Over half of U.S. murders are of black people, and 90% of them are committed by other black people.)