Gibbon is ready to do anything needed to steal a truck (except driving it, that would be a bad idea), just point him the right way.
For the questioning, you probably thought about it, but it might be useful to question Evangeline about the protocols for high-value transports. I’m sure most of the details were/will be told to Kitten, but maybe the guard can give additional ideas because she must have seen more of these in the past.
Also, as we discussed earlier, we have to calculate in our schedule that Gibbon has to sneak in and hide the camera neutralizer in the museum, preferably on one of the higher floors, during opening hours the next day, to use as diversionary tactics.