Actually, the reason Rhys, Kyle, and Eerin were part of the convoy was so they could carry fake crates full of junk so that if the convoy was searched, they would be the most suspicious, and therefore the most likely to be searched.
Now that I look at it again, it's a fine specimen of circular thinking.
More importantly, the reason I suggested Rhys, Kyle, and Eerin go take care of the registry is because they've already checked the registry, using the Guildmaster as their permission, and therefore it'd be easiest for them to see the registry again instead of getting another person cleared.