In the fall of 2013, Americans were shocked to hear about the arrest of an elderly couple in their seventies, Gerald and Alice Uden, each charged with separate murders from decades prior. Ron Franscell's new book tells of the dark secrets this killer couple was able keep buried for more than 30 years.

Mafia 'freelance contractor' and actor Gianni Russo spoke to A&E Real Crime as he releases 'Hollywood Godfather,' a memoir that moves from his polio-afflicted childhood in the Little Italy section of New York City to friendships and feuds with legendary mob figures like Frank Costello and John Gotti.

What is evil—and how do we measure it? Is it more evil to abduct and torture a stranger for days before ultimately letting them go, or to fatally shoot a spouse in a fit of jealous rage? We speak to clinical psychologist Dr. Gary Bucato, co-author of the new book, 'The New Evil,' about how he determined what acts are more evil than others and why serial killers aren't all categorized the same way.

True-crime author Michael Arntfield talks about homicide detective Pat Postiglione, who headed up Nashville's cold-case Murder Squad and solved dozens of unsolved murders, and how the country-music mecca became a murder hub.

Read an excerpt from Michael Arntfield's true-crime book, 'Monster City,' about serial killer Tom Steeples, a computer store owner who found two of his victims, a newly married couple, at a dive bar's amateur showcase.

On May 23, 2009, Amanda Stott-Smith dropped two of her young children off the Sellwood Bridge in Portland, Oregon. One of them died. Read an excerpt from the book, 'To the Bridge: A True Story of Motherhood and Murder,' by Nancy Rommelmann, to learn about the immediate aftermath of Stott-Smith's horrific crime.

In an exclusive excerpt from 'The Menendez Murders,' journalist Robert Rand tells of the unlikely friendship between Lyle and Erik Menendez with the football star while all were being held on murder charges, and the personal conversations they had with the celebrity about his fears.

Read an excerpt from FBI Special Agent Jeffrey L. Rinek's book, 'In the Name of the Children,' about his interrogation of Yosemite Killer Cary Stayner over pizza.

Read an excerpt from Anne K. Howard's book, 'His Garden: Conversations with a Serial Killer' where William Devin Howell gives details about how he murdered and disposed of some of his victims.

Meet Suge, a top lieutenant with the notorious gang Sex Money Murder (or SMM) as he's preparing to murder, in this excerpt from Jonathan Green's book, 'Sex Money Murder: A Story of Crack, Blood, and Betrayal.'