The guy in the karate gi should know, being a black belt, that the jacket goes left over right, not right over left.
A) the flap could get caught on your sword when drawing it, and
B) Japanese tradition says that only dead people wear their tops right over left.
When the bridge is breaking apart, there is obviously no rebar (metal reinforcing rods) in and between the concrete chucks as they fall away. Rebar in concrete is used to prevent this very type of disaster and the bridge would never have been built without it. In 1988, a section of the Oakland Bay Bridge fell because it lost support on one end, but didn't break apart as seen here.
Just before Speedle is shot, he draws his pistol and starts to aim at the guy in the back room. The camera pans to Heratio then back to Speedle who draws his pistol again.
Horatio states the Mercedes S-class has a wheelbase of 62 inches. In fact according to the Mercedes-Benz USA web site the S-class actually has a wheelbase of 121.5 inches. It does however have a 62 in track.