Tragedy at Arrowhead: Chiefs LB Belcher kills girlfriend, self

In this Dec. 11, 2011, file photo, Kansas City Chiefs linebacker Jovan Belcher sits on the sidelines during the third quarter of a game against the New York Jets in East Rutherford, N.J. Police say Belcher fatally shot his girlfriend early Saturday in Kansas City, Mo., then drove to Arrowhead Stadium and committed suicide in front of his coach, general manager and other K.C. staff members.