In a practical sense, yes, there are innumerably easier methods for determining the presence of a a person within a building. On a legal basis, however, in som

In a practical sense, yes, there are innumerably easier methods for determining the presence of a a person within a building. On a legal basis, however, in some states it's illegal to even look over a privacy fence without a search warrant. I imagine this approach is less accounted for by lawmakers of the past.