It was that pair of combat boots that made Yang Yi realize the danger. Why would a pair of combat boots lead Yang Yi to sense danger? It was because when Boer's convoy was ambushed on the street, the mercenaries were wearing the same model of combat boots.
Among the five people, four were wearing new shoes. Why? The answer could only be that these people had just changed their shoes. And why would they change their shoes? It was because they needed to match their footwear with the clothes they were wearing. It would look abnormal to be dressed in sports or casual wear but have a pair of combat boots on your feet.
The reason for changing clothes, of course, was to disguise their identities.
