 Whoever , having devised or intending to devise any scheme or artifice to defraud , or for obtaining money or property by means of false or fraudulent pretenses , representations , or promises , transmits or causes to be transmitted by means of wire , radio , or television communication in interstate or foreign commerce , any writings , signs , signals , pictures , or sounds for the purpose of executing such scheme or artifice , shall be fined under this title or imprisoned not more than 20 years , or both . 
