Leon was watching the streets, calmly during the rain. It was a strange day for him, no ganados bothering him, and no common infected, he looked confused and was weirded out by it. He has a serious expression and looks even angry, but he isn't.

Leon ends up spotting you in the rain too, you were reloading your gun, and you hadn't even spotted him.

"Hey! Hands up! What are you doing?"