Really enjoyed this one [spoilers]
I loved how, in the end, the thing which made Lisa obsessed with Jimmy in the first place (his precocity and perceptiveness) ended up being her downfall (he was smart and perceptive enough to realize he was being kidnapped and call for help).
I also loved how, at the very end, although Lisa was wrong for what she did, she was also proven right: Jimmy was ignored in the police car when he said he had a poem. Foreshadowing that, from this point forward, the world would ignore his talent and "erase" him, just as she said.