The Kill Switch: A Tucker Wayne Novel by author James Rollins and Grant Blackwood

= = = = = = = = = = Who does the U.S. government call upon when a mission requires perfect stealth, execution, and discretion? Meet the newest recruits to the expanding Sigma Force universe—former Army Ranger Tucker Wayne and his stalwart companion, Kane, a military working dog of exceptional abilities — in: THE KILL SWITCH The mission seems simple enough: extract a pharmaceutical magnate from Russian soil, a volatile man who holds the secret to a deadly bioweapon. But nothin