DJ's FATE
Here's an interesting article that points out what kind of life the baby faces once he grows up and realizes how his own brother MURDERED his MOTHER:
https://www.rollingstone.com/tv/tv-features/mare-easttown-finale-recap-1175061/
>>imagine what kind of relationship he (RYAN) and Erin’s son DJ (now being raised by Lori) will have when DJ is old enough to understand his own tragic history(*).
Perhaps if RYAN remains in custody until he's 18, that might not be a problem for DJ without Ryan living in the same home with him???