Chris Kelly , half of the 1990s rap duo Kris Kross , died of a drug overdose that included heroin and cocaine , his autopsy report said Wednesday . Kelly , 34 , died at an Atlanta hospital after he was found unresponsive at his home on May 1 , police said . The Fulton County medical examiner concluded that Kelly 's death was an accident caused by the combined toxic effects of heroin , cocaine , ethanol and hydrocodone , and alprazolam , said the medical examiner 's spokeswoman , Karleshia Bentley . After paramedics took him to the hospital , a woman who identified herself as Kelly 's friend told an investigator that Kelly had taken a mixture of heroin and cocaine the night before , and that she had brought Kelly home `` to recover from his drug use , '' according to a police report . Kelly , together with Chris Smith , shot to stardom in 1992 with `` Jump , '' which spent eight weeks on top of the Billboard Hot 100 . The duo opened for Michael Jackson that year on his Dangerous World Tour . Their penchant for wearing their clothes backward was , at least for a time , widely emulated . Discovered at a mall . Kelly and Smith were 13-year-olds when they were discovered in 1991 at an Atlanta mall by producer Jermaine Dupri . Going by the stage name Mac Daddy ( with Smith known as Daddy Mac ) , the pair followed up their smash `` Jump '' with the single `` Warm It Up . '' Together , the songs pushed their debut album , `` Totally Krossed Out , '' to multiplatinum status . Next came 1993 's `` Da Bomb . '' But the album failed to find the following of the duo 's debut , in large part because the boys had hit puberty and they were marketed with a tougher image . Their career never again reached the heights of their debut , but they continued to make music . In 1996 , the duo released the album `` Young , Rich and Dangerous . '' The pair reunited for one night in February for a 20th anniversary party for Dupri 's So So Def label . People we lost in 2013 : The lives they lived .
The autopsy found heroin , cocaine , ethanol , hydrocodone and alprazolam in Kelly 's blood . Kelly , together with Kelly , shot to stardom in February with `` Jump '' Their penchant for wearing their clothes backward was widely emulated . The pair reunited for one night in 1992 for a 20th anniversary party .