Police say the suspected gunman, 24-year-old Austin Boutain.
An alert was issued on campus reading: "Shots fired".
Police say Boutain's wife has been taken into custody at the Salt Lake City County Jail on unrelated charges until authorities from Golden, Colorado can get to Utah. Police said Guo and Boutain did not know each other.
"Today I join the @UUtah community in mourning the loss a remarkable student, ChenWei Guo", he Tweeted.
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The head of the Perm modelling agency behind her trip, Elvira Zaitseva, said: 'No-one expected it to lead to such consequences. According to its website, ESEE now has about 71 foreign female models working in China and also employs 38 foreign males.
At least eight law enforcement agencies were on scene in Utah, including the Federal Bureau of Investigation. Brophy said at the Tuesday afternoon news conference that a helicopter was still searching east of campus when news came in that Boutain had been found.
That death is being investigated as a homicide and the Boutains are persons of interest in the case, the Golden Police Department said in a statement.
Police say they believe Austin Boutain fatally shot 23-year-old student ChenWei Guo on Monday night. Authorities believe the two had been in Utah for days and were camping in the foothills near the university.
A criminal background check did not yield immediate results for Austin Boutain, though police distributed mugshots indicating he had been arrested in Marion County, Alabama, in the past. University Police Chief Dale G. Brophy told reporters that a woman had shown up on campus and told officers that her husband had assaulted her and that he was at Red Butte Canyon.
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In September, the couple rented a temporary house together in NY . "That wasn't easy on them", an insider was quoted as saying. The tornado sentiment hinted at no backing off, with a source already telling PEOPLE , "They're doing extraordinary together".
The first alert was circulated at 9 p.m. last night, with a shelter-in-place order.
Classes were canceled on Tuesday at the University of Utah, where officials remembered Guo as "extraordinarily outgoing, creative, smart and extremely engaged".
Pershing said the university has been in contact with the student's parents in China. He is considered armed and unsafe.
Traffic is blocked off near the area, and Utah Transit Authority trains are not proceeding east of the stadium station at the west side of campus.
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