Pilgrim is the codename for a man who doesn't exist. The adopted son of a wealthy American family, he once headed up a secret espionage unit for US intelligence. Before he disappeared into anonymous retirement, he wrote the definitive book on forensic criminal investigation. But that book will come [...]

The astonishing story of one man's breakneck race against time . . . and an implacable enemy.
An anonymous young woman murdered in a run-down hotel, all identifying characteristics dissolved by acid.
A father publicly beheaded in the blistering heat of a Saudi Arabian public square.
A no[...]