[There sort of is, a series of other debris he can use as steps to jump up there. Some of the footbolds are a little small though. But maybe Vakama wouldn't fall in the first place if he missed a step in the first place given how gravity seems to be a suggestion for all these blocks ]

Well that's because I took it with me! Obviously that's an unorthodox tactic, but I didn't know there were actual police dispatched to the scene who'd have the means to properly handle evidence!