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Dive Team Searches For Gun Used In University Shooting

OAKLAND (CBS13) - Alameda County's Black Water Dive Team is wasting no time dipping into the frigid, possibly dangerous, estuary water to search for the .45 caliber gun that was used in the Oikos University shooting on Monday.

Just before 5 p.m. Tuesday evening, Oakland Police used borrowed sonar equipment. They hit on something metal and called out 25 volunteer divers.

"…they'll put a diver in the water approximately 90 feet," said PERSON.

The divers fanned out 100 feet wide.

Oakland police feels confident that they are searching the correct spot where One Goh tossed the gun that was used to take the lives of seven people.

Divers stood on the shore tossing a similar sized, and weighted, object.

"To simulate what person can do…so you know how far out to dive," said PERSON.

As divers disappear beneath the pitch black estuary, new details are surfacing about the bay area's worst mass murder suspect in two decades.

A manager at Daly City's Kukje Korean Market showed CBS13 the driver's license and passport Goh used to secure a job in the produce section in 2009.

It was a job Goh didn't keep long. The manager said the now 43 year old was very unusual and coworkers feared him.

"He's kind of, a little strange act before. That kind of act caused this tragedy. So actually we don't know if he's kind of mentally or some other problems, but I think he's not a normal person," said manager Dong Kim.

Kim briefly met Goh but isn't surprised to hear he was expelled from Oikos University for what police describe as anger management issues.

Investigators accuse Goh of being remorseless, alleging he lined up 6 students and a university employee, firing at pointblank range.

So what was his alleged motive? Classmates made fun of his poor English speaking skills.

The murder weapon is still the missing piece, but finding it in 2-3 feet of silt will not be easy.

"You're [searching] by hands and feet, its like being a snow angel in mud," said PERSON.

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