Okay this is probably a re post and old w/e but i searched for it and couldn't find it, i'm trying to get some rep points so i wont be a leecher. so here you go.
1st you jump up on the boxes on left hand side
2nd jump on the side of the wall and run down it till u hit a invisible wall
3rd aim through the invisible wall and blink right on past it and your in
P.S im getting screenshots now if you really need.