- Justice, Administration of1
- Katyn Massacre, Katynʹ, Russia, 19401
- Lozovskii, A., 1878-19521
- Mass executions1
- Mass killings1
- Mass murder1
- Massacres1
- Media junk1
- Medical policy1
- Memorialization1
- Memory1
- Moral responsibility1
- Moscow Trial, Moscow, Russia, 19451
- Murder1
- Murder victims1
- Muslim refugees1
- NATO air strikes1
- NATO military intervention1
- Nagy, Imre, 1896-19581
- National socialism1