- Capitol rioter admits to assaulting Officer Brian Sicknick, who died after Jan. 6 | Julian Khater was charged with assaulting Sicknick and another officer with chemical irritants. His codefendant pleaded guilty in July. https://www.nbcnews.com/politics/justice-department/capitol-rioter-admits-assaulting-officer-brian-sicknick-died-jan-6-rcna45853 22 comments politics