Obvious stock footage at the beginning of the baby being born and the room does not match the set.
Nurse tells the girl she was given Parathion during child birth and it caused her to hallucinate. Parathion is an industrial insecticide not a medicine. This is not the only QM production to misuse the word Parathion. Barnaby Jones series made the same mistake once.
The "adoptive" parents of the kidnapped baby were granted temporary custody until the birth mother's release from a psychiatric institution. No court would grant even temporary custody to people who participated in an illegal adoption, and the husband showed that he knew it was illegal by lying about having a child when Inspector Keller first called him.
When Barbara pulls the gun out of her purse on the elder Dr. Hyland, her middle finger is on the trigger. In the next scene, her index finger is correctly on the trigger.