During the car bombing - the target gets in a Chevy Suburban and when the bomb explodes, it switches to an older model.
When they were creating the bombs to frame a Filipino group, Michael said he couldn't read Tagalog. However, the symbols on the blueprint and the C4 were ancient scripts that have been completely non-existent in the Filipino language for centuries. No one could have read or written them at all.
Fiona operates a drill press to penetrate the safe, but there is no cooling or lubrication. Drilling into the safe like that would cause extreme heat and damage to the drill. Lubrication and coolant is always used, usually a constant stream of water flowing down the bit into the drill spot. No such system was there.
Jesse is questioned about Marv's death by CIFA (Counterintelligence Field Activity). CIFA was shut down by the federal government in 2008.
Tyler tells Michael that he's keeping the list hidden in a safe with a biometric lock (which requires a pre programmed fingerprint to unlock). However, the safe that they steal out of the apartment wall has a standard 4 digit programmable push button security lock on it.