434 - Shelby Hewitt: The 32-Year-Old 7th Grader

Have you heard about the recent case of Shelby Hewitt? The 32 year-old Massachusetts Social Worker enrolled in two different Boston area public high schools as a sixteen year-old sophomore, and then later enrolled in another Boston area school as a 7th grader, spending nearly a year as a fake teen student before her real identity was uncovered. How??? And more importantly... why???