The self-righteous hostility in this woman is palpable. Sometimes I think she is trying, in a passive-aggressive way, to make sure her daughter gets convicted but does not get the DP. Anyone seeing the way this woman attacks (and, from what we can see, parents) could imagine a child (particularly another narcissist) nursing a jealous grudge that might turn deadly. But the same scenario would likely be mitigating circumstances for a DP; the toxicity and anger that oozes from both in their relationship is pretty evenly matched.
CA, to me, seems hell-bent on being the only martyr here - mourning the loss of a real grandchild and an imaginary daughter she made up for the press that now languishes in jail.