This guy is carrying gingerly, for a quick drop. Ted Kazynsky type? What about the other bomb?
He does seem very suspicious.
From way it is draped over his arm, and the angle of his arm, it does not look like there is anything heavy in that bag.
The pack with the guy with the pack over his arm does not look very heavy, but the guy with glasses and the white hat has a definite load in his pack, the straps are pressing in his shoulders quite a bit.