from the info presented in books and interviews 2pac did not know kato.......kato was big sykes homie
big syke was gonna ride for kato but pac said naw ride in teh studio and they made how long will they mourn me.....syke also went on to say how 2pac was like sponge where he soaked up all teh stuff that was going on around him and rapped about it....that is about how big syke said it in an interview