and now commander robert o'sullivan. thank you. >> good afternoon. the information provided today regarding these events is based on the preliminary review of bod-worn camera and surveillance video, initial statements and interviews and evidence processed to this point. the officer-involved shooting or o.i.s. that was on november 2020, was preceded by two events. the suspect committed an arson of an inhabited dwelling. the second in which mr. estrada had an armed confrontation with a knife. both was in the tenderloin police district of san francisco. the incident involving the knife occurred in close proximity to the officer involved shooting in location and time. the precise chronology of these events is the focus of ongoings haves. as these investigations unfold we expect to learn more details. the following, however, summarizes the events understood as of today, tuesday, november 24th, 2020. on tuesday, november 17th at approximately 3:46 p.m., the san francisco department of emergency management also known as d.e.m. had a fire on the 400 block of