In the special four-hour investigation, "Money, Power and Wall Street," airing April 24 and May 1, FRONTLINE tells the inside story of the struggles to rescue and repair a shattered economy, exploring key decisions, missed opportunities, and the unprecedented and uneasy partnership between government leaders and titans of finance that affects the fortunes of millions of people around the world.

Now is the time to break up the big banks, while the economy is strengthening and there's liquidity in the system, says Richard Fisher, president of the Federal Reserve Board of Dallas.

Jose Baez, Casey Anthony's defense attorney, on the "smell of death" evidence presented by the prosecution at the sensational murder trial.

Casey Anthony prosecutor Jeff Ashton on reflections on the not guilty verdict at the end of the murder trial, and why a lack of cause of death may have ultimately made up the jury's mind.

Jose Baez, Casey Anthony's defense attorney, on the "phantom heart-shaped sticker" evidence presented by the prosecution at the sensational murder trial.

Jose Baez, Casey Anthony's defense attorney, reflects on the not guilty verdict at the end of the murder trial. "I didn't buy it," he says about the evidence. "And neither did the jury."

The well-known forensic pathologist and spokesman for ACFEI, a large certification organization, discusses the controversy surrounding the company with FRONTLINE. How stringent are ACFEI's forensic credentialing standards?

Casey Anthony prosecutor Jeff Ashton on presenting the heart-shaped sticker evidence at the sensational murder trial.

Casey Anthony prosecutor Jeff Ashton on presenting the computer search for "chloroform" during the sensational murder trial.

Can knowing the details of a crime alter the matchmaking process? Yes, says neuroscientist Itiel Dror. It's called cognitive bias, and it can happen to even the most competent expert.

From the courtroom to the living room (thanks to the hit television series CSI), forensic science is king. But how reliable is the science behind forensics? In "The Real CSI" coming April 17, FRONTLINE correspondent Lowell Bergman finds serious flaws in some of the best-known tools of forensic science and wide inconsistencies in how forensic evidence is presented in the courtroom.

Jose Baez, Casey Anthony's defense attorney, on the computer search for "chloroform" presented by the prosecution at the sensational murder trial.

Casey Anthony prosecutor Jeff Ashton on presenting the "smell of death" evidence at the sensational murder trial.

Examine the implications of the Fukushima accident for U.S. nuclear safety. 4/12/2012

Shirley Ree Smith tells correspondent A.C. Thompson her reaction when the 9th Circuit Court of Appeals overturned her conviction on charges that she killed her grandson by shaking him to death. "They saw the facts and went on the facts, which no one else did," she says.

Shirley Ree Smith reacts to new doubts from the coroner's office on her conviction. "I wouldn't even be in this predicament if he was here 15 years ago, 16 years ago," she says. "I wouldn't be going through this." For a pathologist to question [the cause of death], to say it's undetermined -- that's something people should think about."

Fifteen years ago, Shirley Ree Smith was convicted of shaking her grandson to death, but the facts were murky and she always maintained she's innocent. Her conviction was overturned, but then reinstated by the U.S. Supreme Court. She tells FRONTLINE correspondent A.C. Thompson what it's like to live in legal limbo.

In "Murdoch's Scandal," a joint production with the CBC airing March 27, FRONTLINE correspondent Lowell Bergman tells the story of the battle over the future of News Corporation, Rupert Murdoch's reputation and his family's fortunes.

How did the owner of the Fox Network, The Wall Street Journal and a worldwide media empire come to be hounded by the press -and haunted by the death of a teenager? Tonight: FRONTLINE goes inside theNews of the World phone-hacking scandal

In 2003, British Member of Parliament Chris Bryantbegan investigating whether News International tabloids paid off police. Six months later, he found his private life splashed in the headlines. "They hacked my phone," Bryant tells FRONTLINE, "and they ran some pretty hideous stories about my sexuality."