Cross (Alex Cross Series #12)by James Patterson
Alex Cross was a rising star in the Washington, DC, Police Department when an unknown shooter gunned down his wife, Maria, in front of him. The killer was never found, and the case turned cold, filed among the unsolved drive-bys in D.C.'s rough neighborhoods.
Years later, still haunted by his wife's death, Cross is making a bold move in his life. Now a free agent