[He sure is. Tucking the measuring tape in his pocket and bringing out what looks like a small brown bottle reading "Chloroform" and a rag.]

I was watching crime dramas the other day and learned that this chemical knocks people out when inhaled in small amounts. [He apply a tiny amount to the rag and draw near.] You like to smell things right. Though, don't lick it. It isn't good for your systems.