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Oakland Police Chief Howard Jordan used strong language Tuesday in calling the suspected Oakland college gunman “a very chaotic, calculated, and determined gentleman that came with a specific intent to kill people.”

Jordan said Tuesday on ABC's "Good Morning America" that One L. Goh, 43, was upset with the administration and students who supposedly mistreated and disrespected him at Oikos University, a small religious college in an industrial part of Oakland.

“He was having, we believe, some behavior problems at the school and was asked to leave several months ago,” he said. “We expect to present the case tomorrow to the D.A.’s office.”

PHOTOS: Chaos and tragedy at Oakland college

Jordan also revealed new details about Goh’s surrender. He said the suspect called his father from a Safeway market in nearby Alameda, and his father called police. His father, Young Nam Ko, had been living in Oakland but recently moved, the neighbors told the San Francisco Chronicle.

Six of the victims were female, one was male, and they hailed from countries including South Korea, Nigeria and Nepal, according to Jordan. He added that all the victims were students between 21 and 40 years old. He did not name the victims.