Originally came across it [here](<a href="http://thefederalist.com/2015/03/04/not-content-with-enormous-taxpayer-subsidies-elon-musk-turned-to-prison-labor-for-cost-savings/" rel="nofollow">http://thefederalist.com/2015/03/04/not-content-with-enormou...</a>), more click-baity but pretty disturbing nonetheless.