In modern day language, what is a Halachic Shoteh? In other words, is someone who is schizophrenic, clinically depressed, OCD, etc. free from Mitzvos?
I had a very strange experience and I would like to know what halacha thinks. I was in shul on Shabbos, and an adult with Down Syndrome ripped by opening the box of tissues. I was not going to say ...