Urgent search for suspect who fatally shot MIT professor

Tonight, the mystery and heartache hanging over MIT's campus. >> So tragic, so frightening, so insane. >> After worldrenowned professor Nuno Lo, the head of MIT's plasma science infusion center, was gunned down in the entrance to his building.>> Reported gunshot, father was shot multiple times. >> 48 hours later, the search for his killer intensifying. The 47year-old physicist killed in the upscale Boston suburb of Brooklyn was a father of three daughters and a brilliant researcher according to Bruno Conalv ...