white hat. you always have to be on the right side of the law. one of my old judges said that any appearance of impropriety is too much if you're a prosecutor. so in this case we've got a situation where she said the knife was an issue and now it's become abundantly clear they've backed away from that position whether by choice or by the grand jury's decision which is not the prosecutor's choice. the grand jury in this situation could have decided not to indict. it's rare but it could have happened. >> interesting that you still think the knife could be at the center of it. we'll have very msh conversations about that. at this moment we're learning that texas officials are investigating new threats from biker gangs about law enforcement. words that biker gangs have grenades and c 4 explosives. we're going to have the breaking news here as the reporter is breaking it in just a quick moment. more breaking news in the brutal murder of a wealthy family in washington, d.c.