The Twins3 books in series
The Twins, Book 1 Publisher's Summary
What would it take to break a person, to take their humanity? At 13, they'd survived a living nightmare at the hands of two vicious home invaders. Three years later, they've become living nightmares by causing the largest manhunt in New York city's history.
Detective Iris Williams is the best detective the NYPD has to offer, but it will take all of her skills to bring down two of the most dangerously, elusive, and youngest serial killers she's ever encountered, 16-year-old identical twin sisters, Stacey and Jannifer McHill...THE TWINS.