Andy by pandemonium he means riots.

BBC: Just to be clear she (special prosecutor) could decide not to prosecute George Zimmerman, she could say case closed:

CRUMP: She could, yeah she could. And I think if she did that it would be pandemonium. There would be outrage all over America and all over the world.

This is via a BBC interview with the Martin’s lawyer Benjamin Crump. Full interview here.