F.B.I. Said to Have Singled Out Suspect in Brian Sicknick's Death - The New York Times

F.B.I. Said to Have Singled Out Suspect in Brian Sicknick's Death - The New York Times: In the hours after Officer Sicknick was rushed to the hospital, officials initially said that he had been struck with a fire extinguisher. They later said that there was no evidence to support that he had died from any blunt force trauma. More recently, F.B.I. officials homed in on the potential role of an irritant as a primary factor in his death.