Slender Man Stabbing Survivor's Parents Describe Ordeal
Stacie, Joe Leutner speak for the first time on daughter being stabbed 19 times.
Two States Suspend New Guardrail Use, Cite Safety Concerns
Lawsuits allege change to guardrail design had life-or-death consequences.
Outrage Over Guardrail Crashes Tied to Lost Limbs, Deaths
Study finds newer guardrails create greater risk of serious injury.
The Danger of Forcing Truckers to Drive Sleep-Deprived Exposed
Trucker Abe Attallah says companies intensely pressure drivers to be on time.
Mother of 5 Convicted of Killing Adopted Son Granted New Trial
Hannah Overton was convicted in 2007 in the salt-poisoning death of 4-year-old.
Former Suspect Denies Helping Husband Kill Philanthropist
Nancy Styler's husband is serving a 20-year sentence for Nancy Pfister's murder.
Oscar Pistorius' Ex: 'It Could Have Been Me'
Samantha Taylor dated the paralympian before he killed Reeva Steenkamp.
How Auto Mechanics Can Rip You Off
... and how drivers can avoid being taken for a ride.
Former Chef of Gov. McDonnell Says Wife Was 'Not Balanced'
Bob McDonnell, his wife Maureen McDonnell were convicted on corruption charges.
Joan Rivers' Friend Shares Details of the Comedian's Last Days
"I was given the privilege of getting to say goodbye," said Deborah Norville.
NY Man in Prison for Murdering Son Charged in Wife's Death
Karl Karlsen was convicted of murder for rigging a truck to fall on his son.
What Caused This Man's Mysterious Death?
Greg Fleniken was found dead alone in his hotel room.
Inside Robin Roberts' Courageous Fight Against MDS
A personal and candid look at the "GMA" anchor's brave journey.
Former Navy SEAL's Guide to Surviving Almost Anything
Cade Courtley, a former Navy SEAL, on how to prepare yourself for disaster.
20 Ways to Cut Wedding Costs
The wedding industry is a $30 billion giant; don't pay more than you have to.
Butt Glue? 20 Beauty Secrets From Miss America Contestants
Beauty, fitness and eating tips from some of those vying for the 2013 tiara.
Vargas Is the Co-anchor of '20/20' on ABC News
Weekend Anchor, "World News with David Muir" Co-Anchor, "20/20"
How to Help Slender Man Survivor, Her Family
Following our ABC News “20/20″ program, “Out of the Woods,” which features the story of the Slender Man stabbing survivor and...
Department Store Vs. Drug Store Makeup: Can You Tell the Difference?
Which model do you think is wearing the more expensive makeup?
Watch: Birthday Sleepover Ends with 12-Year-Old Close to Death
The morning after a sleepover with friends, Joe and Stacie Leutner's daughter is found stabbed multiple times.
Watch: 'Slender Man' Attack Victim's Fight to Survive
While doctors operate on the 12-year-old, police search for her two missing friends.
Watch: Girls Tell Police They Plotted to Kill Friend for 'Slender Man'
Anissa Weier says that it was Morgan Geyser's plan to prove themselves worthy to the fictional character.
Watch: How Do Children Discover Who Is 'Slender Man'?
Children at a New York middle school say they knew who the fictional character was before their parents did.
Watch: Meet the 12-Year-Old 'Slender Man' Attack Survivor
Payton Leutner's parents say they want her to feel safe so she can move with her life with no fear.
Watch: Who Is Slender Man? Fictional Horror Character Explained
Dr. Eric Newsom explains how this terrifying Internet-based character from fan fiction grew a massive cult-like following.
Full Episode: 20/20 5/2: Donald Sterling's Confidante V.Stiviano Speaks Out
V. Stiviano speaks exclusively to Barbara Walters and 20/20.
Full Episode: 20/20 11/01: Stolen at Birth: A 20/20 Investigation
A Baby Is Stolen
Full Episode: 20/20 10/04: Out of Bounds
Girl Crush Becomes a Crime, Police Speeding, Alleged Kindergarten Fighting
Full Episode: 20/20 12/2: Overmedication in Foster Care
An investigation into the use of mind-altering drugs on foster children.
Photos: A Look Back at the Life of Joan Rivers
See photos of the comedian throughout her life.