on Authorities look for evidence that may link the shooting of 37-year-old man on Saturday to the D.C.-area sniper attacks. news_crime_sniper_1015_rts.jpg home Sniper Link? black audio.gif http://www.npr.org/realmedia/news2a.ram 10333241801800 NPR News lock_icon.gif realonemusic.gif lock_icon.gif lock_icon.gif big_headline