Loaders do not have bulletproof windscreens as shown.
Mei injects the poison into an IV bag with a drip-chamber. It would take several minutes to reach Robin's bloodstream from there yet he dies almost instantly.
When Martinez is on the laptop is shows windows media player is running when she types on it.
In the previous episode Foster puts the case with the bomb under the table he and the two North Koreans are sitting at. It goes off killing the Koreans and numerous others. Yet he himself still lives.
Finn somehow knows where Scott is in order to fly out to him despite him being an undercover operative for a deniable black-ops team.
Foster has just blown up the UK embassy in front of multiple witnesses yet he is not restrained or guarded while in the hospital.