Jockey specimen captured by CEDA used for the Green Flu research... and who knows what other experiments. But he ended up escaping Ţ̷͞͠ḩ̶̸̷̸̕͟e̸̸̷̕͢͢ ҉f̴҉̛͜͟a̵͡c̨̢͞҉̶̨̛͢ì͝l͝i͜͏̨̧͟͢͝t̡̢̧́̀̀͜͠͞y̶̧ ̵̷̨͢͠when was overrun by the infected.