Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Two New York City cops assassinated over the weekend - what will be the department's reaction?
In other world news, President Obama made his second trip to the Vatican as president, the ninth American leader to visit the pope.
He and the first family met Pope Benedict back in the summer of 2009.
Now, nearly five years later, Obama returned to pay respects to a man he said he greatly admired, Pope Francis.