http://www.stltoday.com/news/local/crime-and-courts/police-officer-fatally-shoots-pedestrian-who-fired-at-him-in/article_2d5a8c2a-97db-5cec-a477-1130d7d26f7e.html

Dotson said a physical confrontation escalated into gunfire. This is how Dotson described the confrontation:

At one point the officer got out of his car and followed the suspect through a gangway. "When the officer went through the gangway, he saw the three gentlemen had come back together," Dotson said. "One of the gentleman started to approach the officer in an aggressive manner. The officer was giving verbal commands, telling them to stop, telling them how to surrender, telling them that they were under arrest. The suspect continued to come towards the officer until they got into a physical altercation. The suspect and the officer were hands on with each other. At that time, the suspect's gray hooded sweatshirt comes off and the suspect starts to run up a hill at the address on Shaw."

The officer clearly saw the suspect had a gun, Dotson said.

The officer said he "wanted to be certain that it was a gun and did not fire at that point," Dotson said. >>"The suspect pointed the gun at the officer and fired at least three rounds at the police officer. We believe this to be true because there are three projectiles that we recovered with trajectories going towards the officer, down the hill, and one piece of ballistic evidence located behind the officer.<< At that point, the officer returned fire. As the officer moved towards the suspect, the suspect continued to pull the trigger on his gun."

That is when the teen's gun jammed, Dotson said. He said he is unaware of any video that captured Wednesday night's shooting.