Satan Bug

Five strands of high-voltage wire, 200 yards of bare ground and double barbed wire fences patrolled by armed guards with dogs separate Mordon Research Centre from the outside world. Yet behind the locked doors of E Block, a scientist lies dead, and a new toxin of terrifying power has vanished. When the first letter is deleivered, threatening to unleash the virus, special agent Pierre Cavell is given just 24 hours to solve the mystery of the break-in and try to prevent a plague-borne apocalypse.