https://en.wikipedia.org/wiki/Psychopathy_Checklist
Notable evaluations

Canadian serial killer duo Paul Bernardo and Karla Homolka were assessed using the checklist. Bernardo scored 35/40, and Homolka 5/40.

Ted Bundy scored 39/40

Peter Lundin scored 39/40

Clifford Olson scored 38/40

Aileen Wuornos scored 32/40

"Wayne", subject of Channel 4's 2000 documentary film Psychopath, achieved the "extremely rare" score of 40/40