Fatal Frontier: Evil in Alaska

For more than 25 years, "Dateline" has brought viewers investigations into some of biggest mysteries in America. This entry in the franchise takes a second look at some of the most mysterious cases of recent history. Hosted by Emmy-winning journalist Craig Melvin, the show explores the stories through firsthand accounts told by people who are close to the crime, including investigators who dedicated their time to the cases and family members who are still trying to confront the tragedies that befell their loved ones.

Stories of couples who commit terrible crimes after their relationships devolve from love into manipulation, including what ultimately leads to a fatal breaking point.

Hosted by Lt. Chris McMullin, the 10-Episode docuseries delves into the most harrowing murders committed in one of the country’s most historic regions.

Examines true-crime stories of victims found buried in the least suspicious places.

Series exploring seemingly dream marriages that ended up in murder or mystery.

Investigates burgeoning romances from their sweet beginnings, and follows what happened all the way through to their bitter endings.