How can US passport holders apply for a METV through the LA consulate?

A US passport holder shared their experience of applying for their fourth Multiple Entry Tourist Visa (METV) through the Los Angeles consulate, emphasizing the efficiency of the process. They mailed their application, which was received on Monday at noon, and received the approved visa back by that Friday. Comments included inquiries about the necessity of a criminal record document and the type of mail service used for the application.