Sombra

"Conrad Marlow was a respected DEA agent when he disappeared in Mexico while investigating the ruthless drug cartels. Years later he has resurfaced as a cult leader who has made it his mission to out-brutalize the cartels terrorizing the country. The only DEA agent willing to follow his trail of violence is his own daughter, and with the help of a journalist on the ground she'll have to face the horrors of what her father has become if she wants to survive and bring him to justice."--Publisher.