"The dude knows who he is, he just needs to man up, that's all I can say." Calling out a killer, a Tucson man devastated after his brother was run down while crossing the street. That driver is still on the run. 22-year-old Matthew Salls had just joined the Army and was scheduled to leave for basic training Monday morning. Willing to risk his life fighting for his country, this young man lost his life crossing a street in Tucson. It happened about 3:00 Sunday morning on Irvington Road near Calle Ole. An Army recruit, his family bid him farewell...