I posted a few days ago that I was speculating this may be what set him off.
Could be Adam figured Mom was getting help from the Sandy Hook school psychologist.
More like a manipulative, lazy brat, who knew how to play his mother. 20 years old still living at home, mom had to find someway to get that kid out of the house, he wasn't going to make it easy for her.
Seems FOX is once again getting their NEWS analysis from FR. rofl.