In Luke's room, the U.S. flag is hung vertically with the blue field to the right. As a veteran resident of Lakeview, Luke would've seen to it the the blue field would've been to the left as stated by flag code where it pertains to how it's displayed.
The guy who Nathan killed in the elevator meets with Choke after he is uploaded. However he died in the elevator without being able to upload before hand. There is no way for him to have been able to upload.