Another thread shows that a guy who closely resembles the “white cap and sunglasses with a black bag” suspect in one of the 4chan crowd photos, is on facebook as a “friend” of the maybe-deportee Saudi.
Ahmed Al-harbi, the facebook “friend” of the maybe-deportee Saudi:
https://www.facebook.com/ahmed.alharbi.965
Compare him to the “white hat with sunglasses” suspect: Same guy?