At 29:51 Catherine says "forgelary" (like a portmanteau of forgery and burglary) when saying that another character knew that they were buying a forgery.
During the autopsy, the ME said "There's something in her oesophagus." Not only could she not see that from an external examination, but the object was in her mouth. In the next scene, Roby said that the deceased "swallowed this", but that is also incorrect: it was still in the victim's mouth.