Biography: John du Pont

Naomi Ekperigin talks about the Zodiac killer and the many theories surrounding his real identity.

Jacqui Rossi talks about John Dalton's discoveries of the atom and color blindness.

Naomi Ekperigin talks about the early life of serial killer and contract killer Richard Kuklinksi, aka the Iceman, and his eventual capture.

Naomi Ekperigin talks about scientist and astronomer Benjamin Banneker, his almanac writing, and how he saved Washington, D.C.

Naomi Ekperigin talks about Alan Turing's accomplishments in computing during World War II, his conviction for "gross indecency," and his suicide at the age of 41.

Naomi Ekperigin talks about chemist Rosalind Franklin's contribution to the discovery of the shape of DNA.

Naomi Ekperigin talks about the childhoods of brothers Wilbur and Orville Wright, their bicycle shop, and their lives after Kitty Hawk.

Naomi Ekperigin talks about the life of serial killer Dennis Rader, aka the BTK Killer, and how the police eventually caught him.

Naomi Ekperigin explores the life of America's first known serial killer, H.H. Holmes, and his infamous "murder hotel" in Chicago.