He feels a prick on his skin, glances down and plucks a bug off his forearm. Squeezing it produces a small burst of blood.
Two storeys below, throngs of people enjoying a street festival stroll by in both directions. Almost all are neatly arranging themselves in two columns. Northbound keep to the east side of the street. Southbound are right under his view.
Jason is impressed by this unconscious propensity crowds have to organize themselves.
One gunman will mess that all up.