[After
this and subsequently
this, the aquarium car is deathly still. Seems even the fish aren't moving much.
The aquarium won't look any different at first glance, though if one looks close, there seems to be a puddle of blood forming at the floor just under the one wall vent. A closer inspection would reveal Marlene's inside.
The blood is hers.
She's alive and not for much longer but barely. Barely