A serial killer kills people one or two at a time and does the kills personally. The mass murderer kills groups and may choose a removed method.
It is a good question.
The method was removed but the people died one at a time.
27 posted on 10/15/2022 4:51:54 PM PDT by Harmless Teddy Bear
(The nation of france was named after a hedgehog... The hedgehog's name was Kevin... Don't ask)