Fredo Santana has worked closely with up and coming producer Dirty Vans on several projects, including his "It's a Scary Site 2" mixtape, and the Chicago rapper shocked fans after announcing  Vans' sudden passing. 

The "Jugg House" rapper broke the news on Twitter: "Damn rip to my lil homie & producer @Dirty__Vans. That n***a made scary site2 a f**king classic wit that kill u intro beat #RipDirtyVans." 

Dirty Vans was only 19, and his official cause of death is unknown; some people online are claiming that the producer died after being shot in a drive-by. His last tweet read, "bouta be in the studio till tomorrow . Going crazy!" 

Check out Fredo's tweets above. 

Source: Twitter