Dad works out of the home. Mom homeschools. Kid turns out to be weird sicko who lived within walking distance to parents. He and sis commute to college together. He worked 18 minutes from home.
No, nothing against majority of homeschoolers. Nothing against siblings attending same college. Nothing against living near work but all these add up to him not getting out in the world and finding his own identity.
Sounds like he got into the superweed and his brain couldn’t handle it.
Are they Mormon?