The Michael impersonation was a professional job, his tracks covered too well for Weston's team to find. Fiona asks help from former IRA ex Armand, who Always demands a return 'favor', in this case stealing a car armored to measure from the factory, which Sam helps her pull off. The CIA orders Michael and Pearce to find a third man -Jesse- to help 'discretely' check on whatever shady middleman Steve Cahill is having a secret meeting about on the Bahamas, as turns out an oil cartel's plot to destabilize a South American regime so they can take over its petroleum. It gets the team locked in when Miles Vanderwaal arrives with his mercenary company, so he must pose as cartel operation chief Jackson's 'internal security'.
Did You Know?
The weapons manufacturer that Sam and Fiona steal the truck from is called "Riker Industries". Jonathan Frakes who played Commander William T Riker in "Star Trek: The Next Generation" has directed several episodes of "Burn Notice" and even appeared on screen as a driver in the episode "Beseiged" (uncredited). See more
Fi's smoke bomb is seen setting off the facilities sprinkler system. This type of sprinkler is only set off with heat and then only over the heat source. The smoke wouldn't put out enough heat to melt the sensor element. See more
Low-tech explosives may be clumsy and unreliable, but their simplicity makes them almost impossible to trace. Sophisticated bombs, on the other hand, are more effective but require expertise and specialized components, which means the more lethal the bomb, the more you know about the man who wants you dead.
[examining bomb photos
All I know for sure is this guy is a master. A detonator wired to a depth finder. I'm a little jealous I didn't think of ...