Jordan Li (f) states the school has a "...Mengeler health clinic...": Josef Mengele, also known as The Angel of Death and The White Angel, performed deadly experiments on prisoners at the Auschwitz II (Birkenau) concentration camp, where he was a member of the team of doctors who selected victims to be murdered in the gas chambers and was one of the doctors who administered the gas.
Tek Knight was wrong. Marie Moreau's eye did not dilate, it constricts (got smaller).
When the scene goes back to Emma and Sam hiding out, Sam is wearing a Mechanic's Overalls. The name tag says "Greg" which is the same as the only security guard referred to by name.