Jack & Jill by James Patterson

In this gripping thriller, a series of high-profile murders in Washington D.C. sends shockwaves through the nation, as a pair of cunning killers, known only as "Jack and Jill," target influential figures. Meanwhile, Detective Alex Cross is drawn into the case when a young girl is brutally murdered in his neighborhood, leading him to uncover a chilling connection between the two cases. As Cross races against time to stop the killers before they strike again, he finds himself entangled in a dangerous game of cat and mouse, where the stakes are nothing less than the future of the country.

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