I've read just a few:
Catch Me If You Can ~ Frank Abagnale
All the President's Men ~ Carl Bernstein & Bob Woodward
Midnight in the Garden of Good and Evil ~ John Berendt
Anatomy of Injustice ~ Raymond Bonner
Finders Keepers ~ Mark Bowden
Helter Skelter ~ Vincent Bugliosi
A Trial by Jury ~ D. Graham Burnett
In Cold Blood ~ Truman Capote
House of Secrets ~ Lowell Cauffiel
Columbine ~ Dave Cullen
Inside the Mind of BTK ~ John Douglas
The Innocent Man ~ John Grisham
Hurricane ~ James S. Hirsch
Strange Piece of Paradise ~ Terri Jentz
Under the Banner of Heaven ~ Jon Krakauer
Ghettoside: A True Story of Murder in America ~ Jill Leovy
Devil's Knot ~ Mara Leveritt
Drawn to Injustice ~ Timothy Masters
The Dreams of Ada ~ Robert Mayer
Cruel Doubt ~ Joe McGinniss
Fatal Vision ~ Joe McGinniss
The Other Wes Moore ~ Wes Moore
The Yoga Store Murder ~ Dan Morse
The Monster of Florence ~ Douglas Preston
The Beautiful Cigar Girl ~ Daniel Stashower
Picking Cotton ~ Jennifer Thompson-Cannino & Ronald Cotton
Blood Done Sign My Name ~ Timothy B. Tyson
True Crime Related:
A Place to Stand ~ Jimmy Santiago Baca
The City of Falling Angels ~ John Berendt
Sleepers ~ Lorenzo Carcaterra
Life After Death ~ Damien Echols
Serpico ~ Peter Maas
Stuart: A Life Backwards: Alexander Masters
That Bird Has My Wings ~ Jarvis Jay Masters
Son of a Gun ~ Justin St. Germain