The Situation Room with Wolf Blitzer and Pamela Brown

How an online post helped track down the suspect in the deadly shootings at Brown and MIT. Now, authorities need to figure out why the killer, who took his own life, carried out the deadly attacks.  Learn more about your ad choices. Visit podcastchoices.com/adchoices

Inflation drops to its lowest level in months as President Trump defends his economic agenda and promises a "boom" ... Rob & Michele Reiner's other two children speak out ... Major changes on marijuana rules could come today.    Learn more about your ad choices. Visit podcastchoices.com/adchoices

Nick Reiner is held without bail in his first court appearance since being accused of murdering this parents. He did not enter a plea ... The White House is set to announce the so-called "Trump Account" program it says will give millions of children a head start on savings ... US senators are holding a closed briefing on the military's double-tap strike off the coast of Venezuela. It comes as President Trump orders a "total and complete blockade" of sanctioned oil tankers coming into and out of Venezuela.    Learn more about your ad choices. Visit podcastchoices.com/adchoices

The manhunt for the person responsible for a mass shooting at Brown University ramps up as investigators release more photos and videos ... We take a closer look at Nick Reiner, suspected of homicide in the deaths of father Ron and mother Michele ... The FDA warns major retailers still selling recalled baby formula linked to a botulism outbreak.     Learn more about your ad choices. Visit podcastchoices.com/adchoices

Police release a person of interest after the shooting at Brown University. We are live on the campus with the latest ... A Jet Blue pilot describes a near collision with a US military plane over the Caribbean ... Australia's prime minister calls for tougher gun laws after the deadly terrorist attack on a Hanukkah celebration ... Legendary Hollywood director Rob Reiner and his wife are found dead in their Los Angeles home in what police are calling a "homicide."  Learn more about your ad choices. Visit podcastchoices.com/adchoices