[Travis McGee]

Evil men throughout history have sought out the mentally deranged to do their dirty work.

Give them a snappy black uniform, a sub-machinegune and a skull and crossbones pin for their caps and they make terrific death-camp guards.

[Blood of Tyrants]

Che Guevara was a classic example. Castro played him like a fiddle and used his brand of insanity for evil ends.