This (somewhat horror) mod adds a 10% chance for villagers to be hidden psychos who attack vulnerable targets (baby villagers usually target animals), mostly at night. After an attack, they rest up to an hour, also, they drop hoes when killed.
You can manually spawn a psycho villager with "/psychovillagers spawn" command.
Config available, you can turn off horror sounds, change psycho chance and more.
Some other useful configs:
off by default:
self explanatory, on by default:
