If it sounds too good to be true, then you'd better put all your savings into it quick before it gets shut down?
You're liable for clawbacks. Madoff investors who pulled out early and received more than they should have at the expense of others were all sued by the trust responsible for recompensing victims. Best to just stay out of it.
Wow, I had no idea. I was joking, but that's interesting just the same.