"Hit Man: A Technical Manual for Independent Contractors is a book written under the pseudonym Rex Feral and published by Paladin Press"
"On March 3, 1993, a triple murder was committed in Montgomery County, Maryland, by a man who used the book as his guide"
"The suit, Rice v Paladin Enterprises, claimed that Paladin Press had a share of responsibility in the murders by virtue of their publication of a book"
https://en.wikipedia.org/wiki/Hit_Man:_A_Technical_Manual_for_Independent_Contractors