A 17 year-old youth was shot and killed on Rogers Drive near Lee Highway in Fairtax Country Friday night after an argument involving two other youths, Fairfax County police reported.

Police identified the victim as Christian J. Karotsch, of 305 Walnut St., Falls Church. They said he died at 4:45 a.m. Saturday at Fairfax Hospital from a shotgun wound in the somach.

Police said Karotsch was walking along Rogers Drive about 10:30 p.m. Friday with another youth when a car stopped and a youth beleived to be between 12 and 14 years ofld approached them. Police saud tgat a discussion among the three became an argument and that the youth returned to the car.

Moments later, police said, the car's driver, believed to be about 16 years old emerged and shot Karotsch The assailant then returned to the car and it sped away, police said.

There were indications last night that the argiment may have involved a request by the youths in the car that Karotsch give them marijuana. However, the victims's mother told a reporter last noght that she was sure her son did not know thw assailants or carry drugs.

"I've heard the guys were driving down the street and saw Chris and got out of the car and asjed fir dope,"said a sister of the slain youth.She said she was certain her brother did not know either of the youths.