Duane "Keefe D" Davis broke down from behind bars while declaring his innocence but 50 Cent found it hilarious.

50 Cent continues to troll Jay-Z and Diddy ... He then brought up Keefe D, who's currently incarcerated for 2Pac‘s murder and ...

50 Cent is trolling Christian "King" Combs ... posted anything about puffy’s kids 😳because KEEFE D said he killed 2Pac ...