Nature's Strangest Mysteries: Solved - All Episodes

District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head to head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond. These are their stories.

Elsbeth follows Elsbeth Tascioni, an astute but unconventional attorney who utilizes her singular point of view to make unique observations and corner brilliant criminals alongside the NYPD. After leaving her successful legal career in Chicago to tackle a new investigative role in New York City, Elsbeth finds herself jockeying with the toast of the NYPD, Captain C.W. Wagner, a charismatic and revered leader. Working alongside Elsbeth is Officer Kaya Blanke, a stoic and ethical officer who quickly develops an appreciation for Elsbeth's insightful and offbeat ways.

FBI: Most Wanted is a high-stakes drama that focuses on the Fugitive Task Force, which relentlessly tracks and captures the notorious criminals on the Bureau's Most Wanted list. Seasoned agent Jess LaCroix oversees the highly skilled team that functions as a mobile undercover unit that is always out in the field, pursuing those who are most desperate to elude justice.

FBI: International follows the elite operatives of the Federal Bureau of Investigation's International Fly Team. Headquartered in Budapest, they travel the world with the mission of tracking and neutralizing threats against American citizens wherever they may be. Not allowed to carry guns, the Fly Team relies on intelligence, quick thinking and pure brawn as they put their lives on the line to protect the U.S. and its people.

9-1-1: Lone Star follows a sophisticated New York firefighter who, along with his son, relocates to Austin, and must try to balance saving those who are at their most vulnerable with solving the problems in his own life.