[Selective Assassination as an Instrument of National Policy] is an official [United States government document] published during the 1960s but later published in 1990 by [Paladin Press].

In its 56 pages contains information on how to select targets, the [use of weapons], the training and preparation of personnel, and effective measures for an [adequate cover-up]. [The purpose of this book is not to to encourage assassination, but rather justify assassination as a means to forward political agendas].

It is a rare book but is found in the most surprising spots, such as [Yahoo books]. It usually costs around 8 dollars or in [Britain] 6 pounds.