With thirty-plus years as a private detective in Los Angeles under his belt, Nils Grevillius will share with readers how cases are undertaken, the methods used to see without being seen, and how to hear without being heard. The secrets of clients forever protected, Nils lays bare the bad acts, corrupt institutions, protected criminals, which brought him desperate people, in desperate times. After many years as a soldier, spy, contractor, Pinkerton agent, and private detective, Nils Grevillius can finally tell the whole story of his life in this high-risk profession. Most often, men in Nils' profession go to work without the backup, permission, or aid of any civil authority or agency. Often, these cases arise of government lethargy, ineptitude, and corruption. Whom do the police and public officials summon, when their own situation is compromised? Often it is Nils Grevillius.