6. The Secret Serial Killer
Again, this one has to go in the super eagle-eyed Easter egg-hunter column, as it's pretty difficult to spot unless you're actively trawling for Eggs, or you accidentally come across it. In a fairly remote part of the map, in the Senora National Park in Sandy Shores, there is a cluster of rocks that look like any other cluster of rocks around them, except for something that has no business being there. Daubed on the side of one of the rocks are a number of black 8s, which lead in a trail of sorts to a sinister poem inscribed on another rock. Given the subject matter of the inscription, it looks like the work of an unapprehended serial killer, though any search for further clues, either in the game or online have proved pretty inconclusive, but knowing Rockstar, the rhyme must have some wider significance. It could be that Rockstar are simply playing with their community again, knowing full-well the rumours attached to San Andreas that there were a number of alleged serial killers hidden in the game, with this hint designed simply to mess with those who believed the rumours. That would probably fit. This one does seem to point to something else in the game - perhaps an unrevealed set of missions in the online portion of the game, or future DLC, if Rockstar are going to head down that particular avenue.