the exact cause of vanessa herr era's death may take weeks to determine.david stevenson. >> vanessa herr era's death is the tenth killing in san francisco for this year. they say nine of the killings are now beinginvestigated as homicide. one was deemed a justifiable death and no charges will be filed. police add that only one of the killings is believed to be gang related. >>> we are now just one hour away from the president's state of the union address. we want to show you a live look inside statuary hall on capitol hill where congress is gathering right now before heading into the chambers for the speech. in a show of unity, some lawmaker are breaking from tradition and will sit next to members of the other party for the speech. the white house released this picture of the president preparing for the speech. the president is to call for a five year freeze on nonsecurity discretionary spending. he will also ask lawmakers to work together to help the economy grow and create new jobs saying quote this country will move forward together or not at all. there