At the first of this episode a hospital patient is shown receiving a blood transfusion and the size of the bag shown is the standard 1000ml bag. Blood transfusion is standardized everywhere as a 450ml volume "unit." Also, when transfusions are given, the bag typically has several stickers on it attesting to handling along its course to the patient. No stickers were seen on the unit of blood being given.
Susan Forrest's current alias is said to be "Rita Levitan" by everyone except her husband, Stuart. When the police question him, he says her name is "Rita Levitt".