A Cammack Village police officer faces four counts of aggravated assault accusing him of firing shots at four teenagers as her pursued them in his own pickup truck, while off-duty and out of uniform. The charges were filed yesterday against 42-year-old officer Marvin Barclay Bowden. He turned himself in to Pulaski County sheriff`s officials and was released on 25-hundred dollars bond. Authorities said Bowden had been provoked November 21st when a cup of water was tossed on his pickup from a car containing four teenagers. All were students at Little Rock Catholic High School. The teenagers said Bowden fired his weapon during the case, and was wielding an automatic handgun when they stopped the car. They dialed 911 on a cell phone and sped away again, with Bowden behind, until they reached a dead end and the officer used his pickup to block their exit. Nearby residents heard the commotion and came to investigate. No one was injured. Cammack Village is an incorporated community of about 830 people surrounded on all sides by the city of Little Rock.