[FITZ]

But why can't he just let her family have her back? He can go on his way ---- if they want to continue feeding her, let them. He's already got another love in his life, he can just leave Teri behind with the people who still care about her.

[MHGinTN]

Can Michael afford to take the chance that Terri would respond to therapy and her communication skills rise to the level where she could tell the authorities how she got into the state she's in? ... That is what I suspect is motivating him to have her executed rather than allow her parents to take over her care giving ... that and the money he would be obligated to turn over for her rehabilitation.