It's the quadruple college murder riveting the nation. Today’s new questions includes who called 911? Authorities say it wasn't the two roommates who were home at the time of the slayings. And did one of the victims have a stalker? And Police have described the murders as a targeted killing. However, some speculate it might be the work of a serial killer. Steven Fabian spoke with a well-known criminologist for her take. Plus, Elizabeth Holmes, the disgraced founder of Theranos, is facing up to 20 years at her sentencing today. As Ann Mercogliano reports, people are wondering if she'll have her second baby while behind bars. And Taylor Swift is breaking her silence about the fiasco surrounding ticket sales for her tour...calling it "excruciating."