Henderson, Kentucky Plant shooter kills 5 co-workers, then self

Police: Plant shooter kills 5 co-workers, then self
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NEW: Two people die at scene, four pass away at nearby hospitals, police say

Police say worker "had words" with supervisor before leaving on a break

It's unclear whether the supervisor was among those killed, police say

About 35 people were working overnight shift at plastic plant in Henderson, Kentucky

(CNN) -- A worker at a plastics plant in Henderson, Kentucky, allegedly shot and killed five co-workers, then himself, after an argument with a supervisor Wednesday, police said.

The worker "had words with a supervisor" before going on a half-hour break Tuesday night, Henderson police Sgt. John Nevels said.

"He came back," Nevels said. "Witnesses saw the supervisor and the shooter walk outside together. They heard a gunshot and the shooter come back inside the plant, and he shot numerous people."

Two people died at the scene and four others died at hospitals in Henderson and nearby Evansville, Indiana, said Janet Campbell of the Henderson Police Department.

Another victim is hospitalized and is expected to survive, she said.

It is unclear if the supervisor was among those killed.
Watch authorities respond to the scene »

About 35 people were inside the Atlantis Molded Plastics Inc. plant working the overnight shift when the shooting happened, Nevels said.

Investigators were interviewing witnesses to determine the motive of the shooting and the identity of the victims, another police officer said.

http://www.cnn.com/2008/CRIME/06/25/plant.shooting/index.html