It seemed like there were no direct witnesses to the actual shooting, because nobody has said whether Ilya had a weapon and/or was resisting, and also, there is no direct witness to the shots fired. Even the reporter is going on guesswork and what people heard.

I saw some coverage from TV clips right after this happened and the CNN reported did a good job with the info that was around.

Her name is Olga. She and his son both wanted to remain unnamed so they used pseudonyms for the interviews.