So...one motivation now plainly established (for all of Letecia's behavior) is greed and money. The part about her things being taken away is striking. A little boy is missing (and now she has dropped all the stories about him going to a friend's, about him running away). Now there's this invented criminal who rapes both her and Gannon (she obviously made this one up on the fly).
But she returns again and again to how much she's personally losing, how she wants her things back. In the earlier calls with AS, she is clearly bargaining to get back in the marriage! Not because she loves him (or anyone) but to be the American Dream Family.
Materialistic, greedy, narcissistic, histrionic, antisocial, malingerer, pathological liar, abuser, gaslighter. And she KNOWS all of this is wrong, as she typically hid it well or tried to hide it. From everyone.
And yet, she continues to lash out at others and never at herself. No suicide attempts that we know of. This is almost unbelievable and if it were written down as fiction, no one would buy it.
IMO.