According to information posted with the first video on YouTube, the video shows a suspect pointing a gun at a Berkeley, Mo., officer.
Information with the first video said: At about 11:15 p.m. Tuesday, the police officer was conducting a routine business check at a gas station when he observed two men, according to St. Louis County police. The officer got out and approached the two; one of the men pulled a handgun and pointed it at the officer.
The officer fired several shots, striking the man, fatally wounding him. The second man fled the scene.