Understanding prison sentencing: an in-depth look at local trials

An in-depth look at two local cases -- one involving John Hernandez, a man who authorities say killed a pregnant woman and her unborn child while driving under the influence, another involving Brandon Robinson, also known as the BC rapist, who sexually assaulted three women. Here is a look at the charges related to both those cases, how they differ and why Hernandez is facing significantly less time.