It keeps you from being indicted for arson and obstruction of justice.
Now it seems that the foreman of the grand jury that stated that the Chuck Rosenthal, the Harris County District Attorney, did not want an indictment issued. They are pushing for another indictment.
Rosenthal is in hot water, as you may know, for other matters. Might this compound things for him? Is there collusion of some sort going on? This is Texas afterwll.