The week begins with the nation still fixated on the unsolved murders of those four University of Idaho students. And as the mystery continues, every possible theory is being examined ... including the gruesome killing of a dog in the area just a few weeks earlier. Steven Fabian on whether there might be a connection. And now to the mass shooting in Colorado. It turns out the man suspected of murdering 5 people and injuring dozens more at a gay nightclub in Colorado Springs had been on police radar. He was arrested last year after allegedly threatening his mother with a homemade bomb. The charges were later dismissed but many are asking with that kind of red flag why did he have an assault rifle? Plus, there's another type of crime going on that you may not have heard of. It’s one where thieves are targeting wedding photographers to steal their pricey equipment. And the way they're committing these crimes is leaving both the photographers and the bridal couples on the other side of the lens, terrified. Ann Mercogliano reports. And speaking of weddings, it was a busy weekend for President Biden. He not only hosted his granddaughter’s wedding at the White House, but the very next day, he turned 80 making him the oldest Commander-in-Chief in American history.