CNN (Jan. 6) -- In the wake of the shooting at shooting at Fort Lauderdale-Hollywood International Airport, reporters noted research by Sheldon Jacobson, a professor of computer science at Illinois who noted: "As security has increased to protect airplanes in flight, landside areas of airports have become attractive targets. These kinds of deliberate, random killings prompt a visceral reaction that connects us all." Also: Circa News (Jan. 7; Update 3:46 p.m.).