Other people

Harlan Koben and Stephen King recommend
He talked about good intentions. But why did you lead you to hell? ..
Two years ago, Gabe lost his wife and daughter. But he still believes that his daughter Izzy is alive. On that terrible day, he saw her in someone else"s car. Gabe lost everything, changed the house to the bead and began to drive around the environs in search of that car. At some point, tired of unsuccessful searches, he decides to commit suicide. But suddenly a person who calls himself a Samaritanian promises to help find a car. A few days later he informs Gabe about the location of the car. But Gabe discovers a corpse in the car, and in the glove compartment - a notebook in which there are only two words: Other people. Samaritan asks Gabe to stop unraveling this matter, because this organization does not leave witnesses alive. But if so, how does he know this?