Murderers
Torturers
Sexually perverted deviates
Pedophiles (yes they are sexually perverted but DESERVE their own classification)
Liars
Betrayers
Traitors
Saboteurs
Cheaters
Cold-heated SOB's
Phonies
Racists
Bigots
Animal abusers/torturers
Schemers
Deniers
Conspirators
Haters
Warmongers
Wouldja keep 'em all because "every life is of value" or would you eliminate the lot of them? Who'd be left if you did?