Val and Erik stayed at a distance, far enough for any prying eye to dismiss them as any other person in the crowd. They focused their gazes on the person assigned by them to gather information while he did that. He was also told not to do anything that raises suspicion of the workers in there.
The man kept their warning in mind, he for a moment felt like he shouldn't have taken this task or was even considering just running away, but the allure of money was keeping him there, plus he felt a strange thrill doing something dangerous under the nose of empire, his fantasies grew exponentially.