These are the bizarre videos created by Nasim Aghdam, the main suspect following the shooting at YouTube's headquarters yesterday.
Police said the woman shot three people before turning the gun on herself. One man, 36, has been left in a critical condition, while two women, aged 32 and 27, were also taken to hospital. The 32-year-old is said to be in a serious condition while the other woman is said to be in a 'fair condition'.
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A woman - believed to be Aghdam - was found dead of a self-inflicted gun shot wound.
Police have not given a motive for the attack, however, in a series of videos she had claimed the video sharing site had been censoring her work and not paying her.
On the website, NasimeSabz.com and a now-deleted YouTube channel, which is believed to belong to Aghdam, a number of videos claimed that YouTube was not sharing enough money with the people who make and share videos.
One post read: "There is no equal growth opportunity on YouTube, or any other video-sharing site, your channel will grow if they want to."
Aghdam was an animal rights activist who also used the pseudonym Nasime Sabs on her Facebook and Instagram. She described herself on her now closed YouTube site as: "The Persian Azeri female vegan athlete and animal rights activist promoting VEGANISM, the healthy and humane way of living."
The shooting was not terror-related, according to a US government security official.
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Product manager Todd Sherman, who was working in the YouTube building at the time of the shootings, wrote: "We were sitting in a meeting and then we heard people running because it was rumbling the floor. First thought was earthquake.
"After exiting the room we still didn't know what was going on but more people were running. Seemed serious and not like a drill.
"We headed towards the exit and then saw more people and someone said that there was a person with a gun.
"At that point every new person I saw was a potential shooter. Someone else said that the person shot out the back doors and then shot themselves.
"I looked down and saw blood drips on the floor and stairs. Peaked around for threats and then we headed downstairs and out the front.
"Police cruisers pull up, hopped out with rifles ready and I told them where the situation was as I headed down the street to meet up with a couple team members."
Featured Image Credit: PA/YouTube