Factual error: Several times firearms registration is mentioned, but Wyoming has basically no gun laws. No registration is required, and no concealed carry permits are required.
Continuity mistake: Walt and Vic are in the compost heap digging around. Vic is without gloves while digging and when drinking the offered drink. She then resumes digging around with rubber gloves suddenly on her hands.
Answer: This appears to be movie fiction. In real life, a pharmacist could not legally give out confidential patient information without there being a search warrant. Not abiding by confidentiality laws could result in a pharmacist facing legal issues and losing his or her license.
raywest ★