Meanwhile , a scientist at the Tower named Dr. Zere , who was attempting to develop a cure for the virus , is kidnapped by Rais , prompting Crane to attempt a rescue mission .
Meanwhile , a scientist at the Tower named Dr. Zere is attempting to develop a cure for the virus . 
 However , Rais assaults Dr. Zere 's camp and kidnaps him , prompting Crane to attempt a rescue mission .