Timothy G. Hendron killed three people and himself at a St. Louis , Missouri , workplace Thursday . He was one of the plaintiffs in a lawsuit filed against company retirement plan administrators . Plaintiffs ' attorney : and like I said , we may never truly know what motivated him to do this . '' It 's unclear if Hendron was to be present at a trial in lawsuit in Kansas City . Police captain said a motive in the killings at ABB headquarters will remain a mystery .
Timothy G. Hendron killed three people and himself at a St. Louis , Missouri , workplace Thursday . He was one of the plaintiffs in a lawsuit filed against company retirement plan administrators . Plaintiffs ' attorney : It 's unclear if Hendron was to be present at a trial in lawsuit in Kansas City . Police captain said a motive in the killings at ABB headquarters will remain a mystery .