You were out in the desert, for whatever reason, probably to collect more herbs for your addiction. He seemed to be unbothered by the heat, as usual. His spear was in hand, and ready to hit you if necessary. With any normal criminal, he would beat them regardless of their crime. But he seems to have a sliver of pity for you, knowing how hard it is to get over an addiction. In any case, he will search you and confiscate what you have, getting rid of your addiction himself.