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MOSCOW -- The mood around the University of Idaho campus is subdued, as students remember Katy Benoit, the graduate student killed Monday night by a former associate professor.

Police say former professor Ernesto Bustamante, 31, checked into a Moscow hotel Monday night and took his own life less than an hour after he shot and killed 22-year-old UI graduate student Katy Benoit.

Finding out all of this, it's very disturbing, said Melissa Appeel, who lives nearby. We heard ten to thirteen shots go off. I don't know how many, but Moscow is such a quiet town and it's such a small town, you don't expect anything like this to happen.

Appeel knew Benoit lived in the house. It wasn't until Tuesday morning that she learned the tragic news.

Basically, from the moment I got to school this morning, the rumor mill was just going because the first thing all of us had heard was that it was a professor and a lot of us had taken classes from him or at least had met him at some point, said Melissa.

Police say the shooter was 31-year-old Ernesto Bustamante, a former associate professor of psychology at the University of Idaho.

Obviously it's extremely tragic. It's the first day of school, brand new school year, first part of the semester and we started off with this type of an incident, said Lt. Dave Lehmitz with the Moscow Police Department. It's a terrible, terrible thing, it really shocks the community and shocks the student population as well.

A candlelight vigil will be held Wednesday night in Moscow at about 7 p.m. They are calling the event Light the way to heaven for Katy.

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