Valmec couldn't say he wasn't impressed with the magic the young man just used. This assassination could be a lot harder than expected. Of course, if the old man that provided the information was to be believed, the boy was far from innocent.
Time was running short, and peeking into the window forever was not going to make it any easier. He couldn't just run into the house and stab the kid, and couldn't get into the house without getting noticed. Stopping briefly to take to shape of an angry looking guard, he got a feeling that there was something he was missing. Nevertheless, he decided to try three quick knocks on the door. He tried to look as stiff and guard-ish as possible while preparing his speech for when somebody opened the door.