I just followed him until I saw some boxes/carts/crates on the side of the street and then climbed up those and got him. I ran ahead of him a tad to give myself some time to get up. --- DoubleTap868 - " Oh my bad. Spoiler Alert: George Washington survives the Revolutionary War."
Can I just say that you have to hold R1 then press O otherwise you will just drop. So many times I kept getting other guards by doing it the way on that video. So I went that way but jumped again and swung round the building and stopping on a shops shelter and getting him there without interference from guards.