A 17-year-old senior of a Nebraska high school on Wednesday fatally shot himself after opening fire against two school administrators, one of them later died, local media reported.Robert Butler Jr., who had recently transferred to Millard South High School in Omaha, Nebraska last October from Lincoln Southwest High School, shot the two administrators at around 12:50 p.m. local time. After police searched for Butler for around 40 minutes, authorities found him dead in his vehicle with a self-inflicted gunshot wound, the Journal Star reported.
