At the beginning of the episode Volcheck is telling a joke to the bartender and Sips from a small glass. In the next shot just before falling to the floor he is holding a large glass.
The Gallagher trucks are skinned as the American Postal Service which is not correct. They should say the United States Postal Service or US Postal Service and use the correct Eagle logo of the USPS, if the antagonist wanted them to be truly inconspicuous. Anyone working for USPS would notice the discrepancy immediately.
Nope. The supremely experienced head of The Federal Task Force to Save America does not go alone without even telling his hand-picked team to meet an antagonistic Belarusian consul in a deserted back alley.