An impromptu memorial to Casper College instructors Jim Krumm and Heidi Arnold was set up Monday, Dec. 3, 2012 outside room 325 of the World Physical Science Center on the campus in Cas

 

              An impromptu memorial to Casper College instructors Jim Krumm and Heidi Arnold was set up Monday, Dec. 3, 2012 outside room 325 of the World Physical Science Center on the campus in Cas
An impromptu memorial to Casper College instructors Jim Krumm and Heidi Arnold was set up Monday, Dec. 3, 2012 outside room 325 of the World Physical Science Center on the campus in Casper, Wyo. Chris Krumm, 25, killed Heidi Arnold outside the home she and Jim Krumm shared on Friday morning before killing his father and himself in the classroom. (AP Photo/Star-Tribune, Alan Rogers)