Correspondent Isobel Yeung gains rare access inside Idlib, Syria's last rebel-held territory, as President Assad and his allies mount a brutal bombing offensive that has civilians paying the highest price; Correspondent Dexter Thomas goes on lockdown in South Korea to search for the benefits of isolation -- ironically, just weeks before the rest of the world would join him in their COVID-19 quarantines.

Correspondent David Noriega reports from the border between Brazil, Paraguay, and Argentina, a lawless place where criminal gangs are more powerful than nation-states; TikTok is one of the most popular apps -- but it's not exactly the first place someone runs to when they want to find thoughtful, deliberate dialogue. Dexter Thomas examines how that's changing.

Dexter Thomas Jr. travels to Alabama to learn about the Felony Murder rule and speaks to those most affected by it; As the surge of migrants at sea continues, Paola Ramos meets a smuggler trafficking people into the U.S. by boat.