Solution
Crème de la Coffee Bean
If Callan and Alfonso were half way between nothing and nowhere on an dark and dusty path, with not a slither of light through the clouds, and were then closed into the back of a van…
It would have been impossible for Alfonso to see anyone doing anything, and it would have been just as impossible for the assailants to see the the royal blue bag they were looking for.
Alfonso’s story simply doesn’t stand under the light of interrogation.