. >> those officers, nicholas chapman and jorge bernardez-ruiz, made another traffic stop at this intersection two weeks later. this time they pulled over tawanda jones' brother, tyrone west. as the officers searched west, they claim he resisted -- and a fight broke out. >> kelway and kitmore >> officer chapman called for backup. >> unit on kelway and kitmore is everything ok? >> 13, 13, 13... signal 13 >> neighbors said it was about 25 people on top of my brother, they never seen anyone get beat like that, never. you're talking about armed men and women with batons, with weapons, steel-toed boots. armed. he wasn't armed, he's got on shorts and a tank top, his skin is revealed, its summer. who gonna fight with 20 people, for what? >> shawanda lewis was just arriving home when she says she heard people yelling. >> i seen everything that happened from the beginning to the end. everything. they went from the car to the corner, from the corner to this side of the street. he asked for help a million times. >> lewis told investigators she saw west get maced, then try to run away. >> witnesses also r