Correspondent Randi Kaye explores the mysterious burning death of 19-year-old Jessica Chambers on Dec. 7, 2014, and a small town's hunt for her killer. Two months before her 20th birthday, her car is set on fire and she's left for dead on the side of the road in Courtland, Mississippi.

All the best moments and all the worst moments from the year 2017. Tom Foreman hosts.

Trump one year later. Jim Sciutto and Pamela Brown host.