There's a reason why BIG men don't make petty thieves. Impalement is more likely than a get-a-way.
There are a couple of places fence jumping falls apart.
1. How in the world do you get your feet to fit into those tiny gaps in the fence?
2. So it's un-manly to sit on the bar with a leg on each side to rest?
3. Once you've gotten to the highest part you begin to question your bodies capability to withstand impact.