Many players have reported seeing his ghost in the Vercetti Estate. Players have reported to have heard windy voices and strange whistles all over the mansion. It is believed to be the ghost of Ricardo Diaz since he was murdered in his mansion.
His ghost is believed to roam around the mansion at late hours. He was of cunning nature when he was alive, so it is possible for the ghost to get hostile at times.
The ghost could also be a poltergeist. Similar to poltergeist activities, players have reported that his ghost is the one behind changing the portraits from their initial positions. This fact is also discarded as many players hold the opinion that the portraits were displaced by the Vercetti gang after their takeover.
Players have also developed false mods of this myth. In these mods, the ghost of Ricardo Diaz roams around the mansion, bleeding. His ghost is visible to the player. These mods have further made the myth more complicated, as many players are believed to have used this mod and similar ones to try to trick others into thinking their findings are genuine.
In the following video an inexplicable green glow can be observed from 0:01 to 0:11, this glow can only occur after the Vercetti takeover, due to this fact this glow has been interconnected with the Ricardo Diaz Ghost. This could be a plausible fact as green glow occur in paranormal regions.
A photograph, featuring a strange smoke was uploaded on the web. The authenticity of the evidence is yet to be disclosed. The smokey figure was captured on the stairs of the Vercetti Estate.
A strange revelation was disclosed during an internal file search, a grave texture was found in the file, named new_mansion.txd, which features several changes regarding the mansion after the Vercetti Takeover, it is likely to be the grave of Ricardo Diaz, but this texture wasn't developed into a model and remained abandoned in the internal files of the game.