This is the first Resident Evil release not to mention or reference the Umbrella Corporation.
Its actually ingenious to turn an office into an elevator. Saves time and make an excellent feint.
Ada's contact offers to erase her records in exchange for the sample, but she turns it down. Paying in mind when she knows her procured items are too dangerous, she keeps them.
The codenames Leon and his contacts use from the Wizard of Oz.