Attention can be divided into two types: seemingly attentive and seemingly inattentive. Attention seems to mean paying attention to something on the surface, but actually thinking about something else in mind. Inattention seems to mean that you don't seem to pay attention to something but actually pay great attention to it in your heart.
According to the above definition, the scout finding the suspect in the crowd, pretending not to see it, and then creeping up and catching him unexpectedly does not seem to pay attention to.