In a book that will touch hearts and minds, acclaimed cultural historian Marilyn Yalom presents firsthand accounts of six witnesses to war, each offering lastin

"It is a fascinating story, and makes for a thoroughly good read." —The Guardian "A convincing and readable history of a science defined by the simple maxim:

The use of informants has been described as the "black hole of law enforcement." Failures in the training of police officers and federal agents in the recruitme