Idea: Rolen is a pretty decent mechanic/explosives defuser. We get Kachina to persuade the guys in charge that Rolen is coming for a "Checkup" on the vehicle. Heck, she could tell them its a government service and provided for free. Either way, Rolen can just nonchalantly saunter in and go to work on the vehicle. Disarming the explosives, maybe planting some RFID tags. Carbonel can figure out where the vehicle is coming from, yes? Rolen could even plant explosives into the other vehicles, perhaps in vulnerable parts of the engine block. It would be an awful shame if the pursuers had no working vehicles to pursue us in.