Hear what prosecutors believe happened to Rhonda Casto on her fateful hike along Eagle Creek trail on March 16, 2009. Source

Former FBI Deputy Director Andrew McCabe has been fired. McCabe said the dismissal was the latest in the Trump administration’s attack on his credibility. CBS News correspondent Errol Barnett joined CBSN to discuss. Source

A data firm with ties to the Trump 2016 election campaign, mined data from Facebook profiles of millions of Americans without their permission, and used the data to support President Trump’s candidacy. Annalisa Merelli, a geopolitics reporter for Quartz, joins CBSN to discuss. Source

A data firm involved in President Trump’s campaign has been accused of harvesting 50 million Facebook profiles of U.S. voters without permission. Wired editor-in-chief and CBS News contributor Nick Thompson joins CBSN with the latest. Source

A new pedestrian bridge that collapsed in Miami Thursday was hailed for its unique design. It was even supposed to withstand a Category 5 hurricane. CBS News national correspondent Jim Axelrod explains. Source

Rescue crews are searching for survivors after a newly installed pedestrian bridge collapsed in Miami. Witnesses are talking about what they saw, and how they tried to help. CBS News national correspondent Manuel Bojorquez reports. Source

Thursday marked seven years of civil war in Syria, with no end in sight. More than 320,000 people have been killed and an estimated 12 million have been displaced from their homes. Foreign affairs columnist and commentator Bobby Ghosh joins CBSN to discuss where the war-torn country stands today. Source

A man reportedly linked to the main suspect in the 2005 disappearance of missing teen Natalee Holloway was killed while trying to kidnap a woman in Florida, police said. John Ludwick was friends with Joran Van der Sloot, who was suspected in Holloway’s disappearance in Aruba, and a private investigator has claimed that Ludwick admitted helping dig up Holloway’s remains and cremate them. Kim Powell of CBS affiliate WINK-TV reports from North Port, Florida. Source

Ruth Bader Ginsburg turns 85 today. The “Notorious RBG” was the second woman appointed to the U.S. Supreme Court, and is currently the oldest justice on the bench. Source

Rex Tillerson’s two top staff members and his State Department deputy are following him out the door. The fired secretary of state says President Trump never spoke to him before revealing his decision on Twitter. Major Garrett reports. Source