First Wave - Season 3 Episode 15 The Edge

The Raven Nation is an army of believers from every walk of life: cops, teachers, salesman, parents, and scientists - all touched by the lethal hand of the Gua. Dr. Pierce Malcolm was a highly renowned geneticist before the Gua killed his only son. Soon after, he joined the Raven Nation and brought his genetic expertise to our fight. I'm usually encouraged by the determination shown by people like Dr. Malcolm to beat the Gua. So why did I have such a bad feeling about the Doc and the lab he'd invited Jordan, Eddie and I to visit? Maybe it was because it would be the site of our latest trial - a real nightmare. Jordan gave Malcolm one mandate: to find weapons that would give us an advantage over the aliens. The Doc claimed we now had that advantage. He did a test on some blood samples, one human, one Gua - from a prisoner Malcolm had in his lab. He changed the Gua sample green - made it distinguishable from the human sample. It was an indisputable method for telling who was Gua and the