Standing in front of the Westside Indianapolis home, owned by a family with no connections to Lugar, Mourdock argued that the senator is violating the U.S. Constitution's requirement that a Senate candidate be an "inhabitant" of the state he or she represents. "If such a person was entitled to vote in this state prior to departing for service in Congress, whatever residence that person possessed for voting purposes prior to such departure remains his or her residence," Pearson, a Republican, wrote then.