The First 48 takes viewers behind the scenes of real-life investigations as it follows homicide detectives in the critical first 48 hours of murder investigations, giving viewers unprecedented access to crime scenes, interrogations and forensic processing.

The First 48 is an American documentary news magazine television series on A&E filmed in various cities in the United States, offering an insider's look at the real-life world of homicide investigators. While the series often follows the investigations to their end, it usually focuses on their first 48 hours, hence the title.

"The First 48" follows the nation’s top police departments during the critical first 48 hours of murder investigations, giving unprecedented access to crime ...

In Tulsa, a horrific killing in a family home leaves detectives clamoring for answers. But first, the Mobile shooting of a beloved father leads investigators on a city-wide manhunt to find the man who betrayed his friend.

Watch The First 48 Free Online | 7 Seasons. Follows the nation's top police departments during the critical first 48 hours of murder investigations, giving unprecedented access to the process.

The First 48: With Dion Graham, Nathan Schilling, Jason White, Dave Walker. The series follows detectives during the hours immediately following a homicide.

Catch up on season 21 of The First 48, only on A&E. Get exclusive videos, pictures, bios and check out more of your favorite moments from seasons past.

The First 48 takes viewers behind the scenes of real-life investigations as it follows homicide detectives in the critical first 48 hours of murder investigations.

Check out our latest full episode marathon from The First 48, featuring S17, E2, "The House on Madrona Street," and S18, E1, "Deadly Premonition." If you mis...

"The First 48" follows the nation's top police departments during the critical first 48 hours of murder investigations, giving unprecedented access to crime scenes, interrogations and forensic processing.