Barberini then said that the suspect used a gun and that there was no further threat to the community.
San Bruno police investigate the motive
Police said they were investigating the shooting motive, but the videos and Aghdam's website are full of criticism of YouTube. The sources said he initially requested one of the male victims by name, and that he used a 9-mm gun during the shooting.
Jaclyn Schildkraut, massive gunfire research expert and assistant professor at the State University of New York (SUNY), told CBS News that it was " very uncommon " to see a suspect carry out this type of shooting.
Women conformed only by the 4% of the suspects to shoot in mass in the EE. UU Between 1966 and 2016, Schildkraut said. However, the Tuesday shots may not fit the definition of a mass shooting. The Gun Violence Archive defines him as four or more people murdered or killed, excluding the shooter.
Suspect criticized YouTube
The suspect's father, Ismail Aghdam, told CBS Los Angeles that his daughter had disappeared for several days, and that he called the police because he was concerned about his recent anger on YouTube. He said the police finally found his daughter and said he was in a car in Mountain View, about 28 kilometers south of San Bruno.
When the family realized that they were close to the YouTube headquarters, they told the police that the company was "ruining". her life. "She said the police told the family they would watch her.The family believes she did not know anyone on YouTube personally.
A Mountain View Police spokeswoman confirmed to CBS News that they found a woman from the The same name who slept in a car early Tuesday, confirmed that he was a missing person from Southern California and had notified his family.
Ismail Aghdam told Mercury News that his daughter was angry because the company stopped pay for the content you posted online.
Your website accuses YouTube's "closed minded employees" of reducing their number of visits by deleting it and discouraging them from creating content on the video platform. deleted, complained that YouTube began to filter its page and added age restrictions to its videos.
Hospital update on victims
A spokesman for the General Hospital of S an Francisco told CBS News that he received three patients: a 36-year-old in critical condition, a 32-year-old woman in serious condition and a 27-year-old woman in good physical condition.
Heavily armed police surrounded the facility, with armed SWAT vehicles parked outside. You could see the police officers helping the employees evacuate the campus to a nearby parking lot, where they were surrounded by police cars.
White House press secretary Sarah Sanders said that President Trump had been informed about the shooting and that they are "monitoring situation."
Mr. Trump tweeted his "thoughts and prayers" to everyone involved.
The FBI and San Francisco Field Division of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) said he was responding to the scene.
Several employees tweeted that they heard gunfire on Tuesday afternoon. Vadim Lavrusik said he entrenched himself and others inside a room before they could escape safely.
Todd Sherman, product manager of the company, tweeted that he "saw drops of blood on the floor and stairs". "
Google, the parent company of YouTube, said in a statement that they are "coordinating with authorities and will provide official information here on Google and YouTube as it becomes available."
Google CEO Sundar Pichai said the company is doing everything possible to support the victims and their families.
"I know many of you are in shock at this time. In the coming days, we will continue to provide support to help everyone in our Google family recover from this unimaginable tragedy, "Pichai said in a statement.
Where is San Bruno?
YouTube headquarters It is about 12 kilometers south of downtown San Francisco, near the San Francisco International Airport, covers approximately 200,000 square feet, and YouTube leases the Gap, Inc. building, according to a 2017 article in the San Francisco Business Times.
Google says that there are more than 1,100 employees in the office and that YouTube is San Bruno's largest employer, with a variety of people engaged in engineering and sales, and about 43,000 residents live in the city.
The owner of a nearby restaurant told CBS News that he was outside smoking a cigarette when he heard several bursts.Denny, who did not want to give his last name, said there was a brief pause in the shooting  459007] before it continued. He said he had heard a total of 15 to 17 shots.
"He continued for a while, those shots, it was not like emptying the clip like 'boom boom boom', but it was slower." Denny said.