Search for Man Suspected of Killing Delta State University Professor

Search is on for suspect, 45-year-old Shannon Lamb, an instructor who taught geography at the university.
1:38 | 09/15/15

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Transcript for Search for Man Suspected of Killing Delta State University Professor
that with the winds whipping, that these homes went up in flames one right after another, in fact, one iingnitheg T ne.xtan Ou ydan C see,se the are the, at whef's lft O T front sstair hit ts meho. Absolutely nothing left except for the lone chimney here still left standing. So many of the filieams t,gh Watch one of the doors. Nobody in, nobody out. Reporter: These were the fightening moments in the middle of morning classes at delta state university. Ethan Schmidt was shot to death in his office, and police were outside their windows, looking for an active gunman. I took his class over the summer. I'll still in shock right now. He was a great guy and -- just pray for him and his family. Reporter: At 10:43, the school sent this emergency alert to cell phones across campus. Students had to use desks to barricade their doors and had to walk out of school buildings with their hands up behind their heads. These students out here on the quad on the west side, can I put them in a building safer? Reporter: Tonight, the search continues for this man. 45-year-old Shannon lamb. An instructor who taught gee yog fill at the university. At this moment, we do consider Mr. Lamb to be armed dangd rouse. Reporter: Police have now identified as a suspect in another killing that took five hours south, where a female victim was killed. Authorities discovered her body short lilt before the shooting at delta state. We do know our suspect leave here traveling in a gone SUV, a vehicle of similar nature that matches the one he was last seen driving here. Has been low kated at delta state. Reporter: Students item us police responded so quickly, it's almost as if they were alerted to the gunman's intentions. Tonight, classes are canceled. David?

This transcript has been automatically generated and may not be 100% accurate.

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