Jodi Arias Defends Her Credibility in Plea to Jury

Georgia Teen Becomes Valedictorian Despite Homeless Past

Chelesa Fearce achieved academic success in high school after years of living in and out of shelters.

Ridiculous Calls Detail Abuse of 911 Hotline

Emergency calls include people who need help to change their TV remote or find sunglasses.

Janet Napolitano Urges Oklahoma Tornado Victims to Contact FEMA

Federal and state officials give briefing on tornado damage, clean-up efforts and assistance programs.

FBI Shoot Florida Man Connected to Boston Bombing Suspect

Ibragim Todashev was allegedly about to sign confession to 2011 triple homicide when he pulled a knife on agent.

Oklahoma Tornado: Inside Life-Saving Shelter

Jason Lerger takes David Muir inside the shelter where he and his family survived the disaster.

Profane Cancer Hats Get Sisters Kicked Out of Mall

Philadelphia sisters expressed their hatred of the disease that took their mother's life.

FBI Fatally Shoots Florida Man in Boston Bombing Probe

FBI says a "violent confrontation" followed the questioning of Ibragim Todashev.

Iowa Missing Teen Search Continues

Searchers continue to look for Kathlynn Shepard after suspect Michael Klunder was found dead.

Nancy Grace on Arias' 'Save Me So I Can Sell T-Shirts' Plea

Grace and Dan Abrams discuss the convicted murderer's statement to jury and latest TV interview.

Jodi Arias Feels 'Betrayed' By Jury

The convicted killer sat down with ABC News' Ryan Owens after pleading for her life.

Tornado Survivors 'Big Dog, and Little Dog' on Reunion

Hug between Hezekiah Darbon and his neighbor was one of the most touching moments after the storm.

Oklahoma Hit by Most Powerful Tornado

Sam Champion tracks the trail of destruction caused by the devastating EF-5.

Two Schools Hit by Tornado, One Happy Ending

Several Okla. students died at Plaza Towers elementary, but no casualties at Briarwood.

Tornado Survivor Made It to Shelter Just in Time

Residents of Moore, Okla., had minutes to take cover before disaster struck.

North Carolina Woman Accused of Poisoning Family's Cheese

Tiara Drake, 24, is charged with five counts of attempted murder.

Transcript for Jodi Arias Defends Her Credibility in Plea to Jury