After the First 48

Seven young adults diagnosed with Down syndrome are spotlighted as they defy expectations and pursue personal and professional success.

Examining murders from the killer's perspective.

Some of the most unforgettable moments from "The First 48" are revisited.

Stories of people who are facing trial for serious crimes are featured.

The murders of 11 teenage girls are investigated after a confession letter surfaces from a convicted murderer.

Chronicling man's achievements in the fields of science, technology, electronics, mechanics, engineering, architecture, industry, mass production manufacturing and agriculture, the episodes of Modern Marvels details the development of certain landmark productions of mankind.