Snoop had absolutely nothing to do with Tupac's murder. But because Suge's bitter that Snoop bought Death Row, he's fine with spreading lies about him being responsible for Tupac's death. And since Dre loved Eazy like a brother, Suge's trying to hurt him too by spinning some bullshit story.

But you had to play it cool, had to do it your way
Had to be a fool, had to throw it all away