Five people were shot and killed within a one-mile radius in the D.C. suburbs, gunned down one by one in public places. news_crime_dcsuburbslaying_abc.jpg l D.C. Slayings http://abcnews.go.com/sections/us/videofiles/Video/021003shooting_video.ram 10336674447320 abcnews.gif video.gif http://abcnews.go.com/sections/us/videofiles/Video/021003shooting_video.ram 10336674447321 PLAY lock_icon.gif lock_icon.gif lock_icon.gif big_headline