Thousands continue to pay tribute to Pope Francis as he lies in state in St. Peter's Basilica. "CBS Evening News" co-anchor John Dickerson spoke to Father Matthew Berrios, who leads St. Patrick's Catholic American Parish,

From patrols on the River Tiber to surveillance drones and snipers deployed around St. Peter's Square, Rome is preparing to throw a thoroughly modern security shield around the ancient rituals of a papal funeral and its attendant huge crowds.

Francis did away with that sort of viewing. Instead, a procession brought his coffin on Wednesday directly to St. Peter’s Basilica, where a public viewing is taking place. Francis’ body, dressed in papal vestments, his head covered with a white bishop’s miter, is lying in state to allow tens of thousands of mourners to bid farewell.