The procedure for using undercover informants to catch stores selling alcohol and tobacco to minors is shown completely wrong in this episode. The state liquor board inspector doesn't run in and bust the store right after their undercover makes a purchase, that gives away the identity of the undercover informant and potentially puts them at risk. Before the store owner is fined or otherwise penalized the audio/video recording from the informant is transcribed and then the inspector returns to the store at a later time to inform them that they sold liquor or tobacco without checking ID or knowingly sold to a minor, and informs them of which type of punitive action is being taken.
Olivia says that she and Elliot had been partners for 7 years. However, when the series first began, it was said that they were already partners for about a year and a half. Also, in the 9th episode of the series there was a 6 month time jump. Thus, they had been partners for about 9 years at that point.