(MCT) — CHICAGO—A South Side rapper who posted taunting tweets about the fatal shooting of aspiring rapper Lil Jojo is under fire again after video footage of him purportedly beating a young woman went viral.

The grainy camera video that shows rapper Lil Reese attacking the unidentified woman was posted late Wednesday on various hip-hop websites and drew outrage from thousands of followers on Twitter. Lil Reese recently signed with Def Jam Recordings, a major music label whose clients include Rihanna and Ludacris.