
L. Guo, 43, is currently cooperating with the police about why he had killed seven students and injured three people, but "it was not particularly remorseful," Oakland Police Chief Howard Jordan.
Guo arrived in Oikos University on Monday morning to set a specific administrator, said Jordan.
When he discovered that she was not there, then pushed Guo Secretary in the classroom and asked students to staff. When some students refused to comply with Guo began shooting, said Jordan.
Guo, Korean national, was arrested on Monday for about an hour after the shooting in Oakland University Oikos. Five victims died on the spot and two others died after being taken to the hospital. There is no information about the three other victims.
"We learned that the suspect was upset the school," Jordan said today on "Good Morning America."
"He was upset that the students in the past, when he was in school, for the violence, disrespect, and so forth. It was to have, in our opinion, some problem behavior at school and asked to leave several months ago."
The police chief said, the students allegedly fired Guo than those who took the trouble to be Go.
"We do not believe one of the victims teased him," said Jordan.
"We have learned that it was very chaotic, calculated and determined by the gentleman who came here with a very specific purpose to kill people, and that is what his motive was and what it has done," said Jordan's "Good Morning America. "
The victims were six women and one man, from 21 to 40 and a native of Korea, Nigeria, Nepal, according to Jordan.
The deceased man was killed when his car was seized Goh, according to ABC News affiliate KGO-TV Bay Area.
Jordan said that the police suspect that when the police realized Goh on his way, he stopped the shot to be saved. "We do not believe that the suspect intended to have a confrontation with the police, so he left immediately after the shooting," Jordan said.
Guo was in debt, with tens of thousands of dollars in federal tax liens against him were two deaths in his immediate family in the past year. He left behind a number of minor traffic citation in his former home state of Virginia, and was expelled from the housing complex in the state, according to the branch of ABC KGO News. Guo was expelled from the University of Oikos few months ago,
according to the San Francisco Chronicle.
Also, an unnamed source told the newspaper that Guo might have been involved in a dispute with employees of the university.
Two of the members of his family perished in the last 13 months, according to the Chronicle. His brother, U.S. Army Sgt. Wan Soo Ko, died in March 2011 in a car accident in Virginia, and the preparation of special forces, according to The Chronicle. His mother, Kim Chul Oak, died a year ago in Seoul, according to the neighbor, who said that news, she moved back, deciding to leave Oakland. Father Goh Ko Young Nam, lived in Oakland, but recently moved, neighbors said.
Guo and federal tax liens in 2006 and 2009 totaling more than $ 23,000, according to the chronicle, adding that he had to pay a certain amount of their tax liabilities.
Oakland police have released a calendar of chaotic events that occurred on Monday at the Christian University, which focuses on care.
At 10:33 am on Monday, Oakland Police Department received 911 of a woman on the floor bleeding Oikos University. The police arrived on the scene at 10:36 and is the victim of fatal gunshot wound. At the same time, several other calls were received about other victims.
Believing that the suspect still inside, police installed around the perimeter of the building used Oikos university, higher vocational school that offers courses in Asian medicine, theology, music, nursing, and also has close ties with the Korean American community.
Breaking a window, Oakland police and Oakland Unified School Police had access to schools and coordinated evacuation and search.
"Officers found a number of victims throughout the entire class throughout the building," Jordan said on Monday. "There were some people hiding in buildings are closed, locked doors, behind a desk. As you can imagine, very afraid. Very afraid. Some of them were injured, so we had to save them."
Thirteen people were removed from the building by the authorities. All the victims were adults shot, according to Jordan.
Less than an hour and a half, investigators were at the disposal of the name of the suspect and photos. Police sent to his home, and homes of local parents.
Guo said that the police seized the car of the victim to leave the scene. He was arrested at Safeway supermarket in the South Shore Center Alameda, California, at about 11:30 am, according to CLC.
The guard on the banks of the South Centre Guo came because he was suspicious. Guo said that the security guard said that he needed to talk to the police, and that he shot and killed several people. The security guard contacted police, who arrested without incident Alameda Go. He was then transferred to Oakland police.