KENOSHA, Wis.—The jury at Kyle Rittenhouse’s murder trial over a string of shootings on the streets of Kenosha watched one of the central pieces of video evidence Wednesday—footage of a man chasing Rittenhouse and throwing a plastic bag at him just before the man was gunned down. Someone is heard yelling “F— you!,” followed by the sounds of the four shots Rittenhouse fired, killing Joseph Rosenbaum, though the shooting itself is not clearly seen on camera. Rosenbaum was the first of three men Rittenhouse shot that night, two of them fatally. “Oh, he shot him! He shot him, man. He shot him. He shot him, man. He laid him out,” the person making the video can be heard saying. Footage shown to the jury also showed Rosenbaum lying on the ground as frantic bystanders surrounded him to help. He had a wound to his head, and a bystander placed a …