A Look Back

One mans quest to document how Asian appetite for shark fin soup is decimating the ocean's shark populations.

For centuries, explorers dreamed of a Northwest Passage. As the Arctic melts, that dream is becoming a reality. But is the world ready?

New state restrictions on abortions have had consequences for the health care of thousands of low income women, as many clinics that provide services beyond pregnancy termination have closed.

A look back to 2013 and the nation’s infrastructure, particularly our bridges. Not enough money coming from Washington has left local authorities overwhelmed. Has anything changed?

Dan Rather returns to Hawaii in 2011 to explore the day that will live in infamy and how its meaning has changed with the passage of time.

A Veterans Day salute to a sailor who was on board the USS Arizona. Also, A Look Back to 2012 and a conversation with General Martin Dempsey, on the future of the military and veteran concerns.

A Look Back to 2012, the one one-year anniversary of Muammar Gaddafi's death and the investigation into the strange circumstances surrounding Libya's longtime ruler.

A Look Back to the final journey of an American flag rescued from Ground Zero.

A Look Back to Zack Lystedt, a young football player disabled by multiple concussions. His goal? To walk across the stage at his high school graduation. Are kids any safer today?

A look back to a report on football and dementia. The topic was and is still a major area of concern. Has the National Football League taken enough aggressive action since this report in 2010?.

A Look Back to 2010 and the debut of Airport body scanners. Have they made traveling safer?

We visit an island in Japan that has the longest living people in the world. What's the secret?

A Look Back to allowing illegal immigrants a "pathway to citizenship". An investigation from 2013 into a government program that is designed to expedite deportation. Has anything changed?

Las Vegas has seen a boom in new gun ranges where you can rent any firearm imaginable.

Hundreds of thousands of U.S. troops are returning from war with Traumatic Brain Injury - many with little hope of returning to normal lives. Why has the U.S. Army resisted a promising new treatment?

A Look Back to 2010 and an investigation into American kids recruited to fight with a fundamentalist Islamic terror group. Is this still happening today?

Take a look back on a harrowing journey with 3 North Korean refugees. After escaping their country's brutal regime, they are sold into virtual slavery, and must attempt a dangerous escape for freedom.

When a woman is sexually assaulted, she is asked to submit to a so-called "rape kit," a highly invasive and laborious process that aims to extract DNA. Thousands sit on shelves, untouched, untested.

An American engineer was convicted of espionage after selling stealth secrets to China. But were they really secrets? An investigation of American technology transfer to countries around the world.

A telephone scam is targeting American seniors and bilking them out of hundreds of millions of dollars. Our investigation leads to Jamaica where con artists have built a thriving crime network.

A look at the highly successful Israeli missile defense system known as Iron Dome. Also, what country banned assault weapons after a mass killing?

Step back as Dan Rather interviews Russian expert Steve Cohen.

The bloody war in Mexico spills over the border into the American Southwest is waged by drug cartels and is fought with American guns. Tens of thousands flow south in what is called the 'Iron River.'

Putin gets what he wants. Many are describing Russia as 'post-democratic;' that while there are elections and the surfeit of democracy, one man really controls everything. Take a look back for a revealing look into the present.