Rumors spark migrants' rush to border; illegal crossings drop to 2-year low

Hundreds of people rushed the U.S.-Mexico border on Sunday after a rumor that migrants would be allowed to cross into the United States. It comes as new data shows a decline in the number of illegal border crossings. CBS News immigration reporter Camilo Montoya-Galves joins Elaine Quijano and Lana Zak with more.