Is this Hillary's undercover nurse? Pictures show mystery woman appearing to check Clinton's pulse as she clutches her heart before her collapse at 9/11 memorial

Photos showing a mysterious woman appearing to check Hillary Clinton's pulse just before she collapsed Sunday have kicked off rumors about Clinton's 'undercover nurse.' The photos show a woman in a dark blue dress (pictured, next to Clinton) seemingly checking the candidate's pulse, and asking her to squeeze her fingers before she was rushed away from the Ground Zero 9/11 commemoration. Now Twitter is alight with rumors that someone is keeping tabs on Clinton's health at all times, and that the candidate may even be suffering neurological damage.