"In One of Our Own, Gregor Demarkian, former FBI agent and police consultant, returns for his final case-a surprising murder and an attempted murder, which threaten the safety of his Philadelphia neighborhood. A mysterious black van is spotted by several people at various times in the area around Cavanaugh Street, Philadelphia's Armenian-American enclave. Presumed by some to be related to the increasing ICE raids around the area, the mystery deepens...