Wyo. Firefighter Pleads Not Guilty in Explorer's Death

Ronald Caillier, 47, of Newcastle, Wyo. plead not guilty Monday afternoon to aggravated vehicular homicide.

Anndee Huber, 16, was killed in the May accident.

Caillier and Huber were volunteers with the Weston County Fire Department, responding to a grass fire on the night of May 22nd.

On their way, Caillier swerved and rolled the water truck he was driving. Huber was thrown out of the truck and killed.

A Wyoming state trooper