Hosted by former "First 48" detectives, each episode presents different cases previously featured on the show, all with a common theme.

A look back at some of the most unforgettable moments in The First 48's history. Each episode presents different cases previously featured on the show, all with a common theme.

Low-level FBI agent Peter Sutherland works in the basement of the White House manning a phone that never rings - until the night it does, propelling him into a conspiracy that leads all the way to the Oval Office.

Low-level FBI agent Peter Sutherland works in the basement of the White House manning a phone that never rings - until the night it does, propelling him into a conspiracy that leads all the way to the Oval Office.

Low-level FBI agent Peter Sutherland works in the basement of the White House manning a phone that never rings - until the night it does, propelling him into a conspiracy that leads all the way to the Oval Office.

Low-level FBI agent Peter Sutherland works in the basement of the White House manning a phone that never rings - until the night it does, propelling him into a conspiracy that leads all the way to the Oval Office.

A young woman communicates with earthbound spirits.

A young woman communicates with earthbound spirits.

The legendary Islanders return for a second shot at romance. Bombshells disrupt established couples, turning heads and breaking hearts.

The legendary Islanders return for a second shot at romance. Bombshells disrupt established couples, turning heads and breaking hearts.