The police and military will be on high alert in and around Miami for any threats on the ground, in the air and at sea. Iran's top commander Qassem Soleimani was killed last week in a U.S. airstrike in the Iraqi capital, Baghdad. Soleimani, who led Iran's elite Quds Force of the Islamic Revolutionary Guards Corps (IRGC), was the architect of many Shi'ite and pro-Iranian proxy militia groups across the region known as the "Axis of Resistance." Here is a look at those groups. Social media platform analyst Buzz Radar has created the Social Media Command Center to follow real-time data on what people are talking about, playing with and following at CES 2020. Take a look at how it works. NBC News' Richard Engel gives an inside look at what's left of the Ain al-Asad air bases in Iraq after it was targeted in an Iranian missile strike. Aired on 1/13/20.