Abel Brannon's greed could bring the US government to its knees-but the exotic animal dealer will never know it.

Ten days ago Brannon illegally imported six West African Diana monkeys, unaware they carry the deadly Marburg virus. He dies several days later, but not before selling them. The threat becomes clear as the buyers fall ill. Multiple government agencies respond quickly but so does a more sinister force.

Aagel, a jihadist, acquires one of the monkeys and recruits Jabayer, a retired biology professor, to culture the virus by leading him to believe it was for peaceful purposes....