I remember seeing people complain that Dominion was full of bots and wondering why when I thought nobody played that map. Then when Dominion left to become a 'featured game mode' (really? ugh..) and I made this new account (not banned on main) I saw a repeating pattern with obvious bot players. They have the same patterns that vary a tiny bit but it's essentially the same.
Bot player (start boots a lot but not always) runs mid and attacks the first thing in range. Usually a tower and then the AI bot when they come into range. After two tower shots they fall over. First blood.
Bot player waits a minute or so at spawn then runs straight to mid and again attacks the first thing in range. If AI bot moves into range they attack, run into minion waves, almost die then blow heal and ghost (90% those summoners) before running the whole way back to spawn.
They wait at spawn another minute or two then repeat the mid charge. They die again.
Most builds are weird but I've seen two patterns.
into a
item and
followed by 5x one item. I've seen 5x
and in your image 5x 
I really want Riot to step up the bot spotting game. I've reported each one I've seen but I saw at least one per game.