Rapper Tru Life has been arrested for last week's stabbing death of a teenager in Manhattan. The Daily News reports that the rapper—whose real name is Roberto Guzman Rosado Jr.—surrendered to police Wednesday night along with his brother, who also faces murder charges. Police say the pair were looking to avenge a drug dealer's death when they chased the victim into an East 26th Street apartment lobby before fatally stabbing him in the face and chest on June 15; another man, Jason Black, was also stabbed but survived. Sources say that the fatal shooting of a drug dealer just hours before the stabbing may have been due to an ongoing dispute between Black and Tru-Life's brother. Tru Life had been recently working on an album for release this year under Jay-Z's Roc-A-Fella Records label. He also appeared in 2003's film Beef, a documentary of hip-hop rivalries that included Tru Life's feuds with other New York rappers.