..you may just be correct...this is a simple example but if someone who is raped let's say....is so traumatized they become almost catatonic....because their mind really is doing this to protect them....in Yate's case....the terror of reliving this may be just too much for her mind to comprehend thus keeping her in a permanent psychosis.
"In the meantime, a former cellmate of Yates has made some important claims. ABC News/AP reports:
Felicia Doe, who spent four days in a jail block with Yates in 2002, told prosecutors last year that Yates instructed her not to eat, not to speak properly and not to be friendly or open in front of people if she wanted to “beat her case.” …
Sure doesn't sound like someone who "snapped", having been thinking about the murders for two years, does it?