As the officer identified himself, Wilson slammed the door shut, video shows. The officer knocked again, and two minutes later, Wilson opened the door and attacked him with a knife.
Wilson allegedly slashed the officer on the face a few times before the officer pulled his weapon and retreated down the hallway. The officer fired three times before radioing shots were fired and he needed help.
Resource :
https://www.google.com/amp/s/www.nbcwashington.com/news/local/northern-virginia/disturbing-video-shows-moments-before-officer-fatally-shot-knife-wielding-woman/3740933/%3famp=1