Parents of Loyola student fatally shot in Chicago call for change: "This can't happen"

The parents of Loyola University student Sheridan Gorman called for change after a Venezuelan man, who was illegally in the U.S., allegedly shot and killed their daughter in Chicago last month. "This can't happen. We've got to make changes," they said in an exclusive interview with CBS News' Matt Gutman airing Wednesday on "CBS Mornings."