Three crimes are investigated. Drew Griffin probes a Pennsylvania bank robbery committed by a man wearing a bomb; Randi Kaye looks into tax-refund fraud and the disappearance of two men in Florida who were last seen with the same sheriff's deputy.
A report on race relations in Mississippi; an investigation into the practice of sharing "recall" exams between military doctors; a probe into a controversial murder case involving a New York transit officer.
An investigation into the alleged use of military veterans as test subjects for chemical experiments at a Maryland military facility from 1955 to 1975; a report on soldiers seeking health care; a probe of rape investigations at U.S. military academies.
Sanjay Gupta reports on a severely depressed patient who underwent experimental deep-brain-stimulation surgery. Also: health risks for kids exposed to poor air quality in schools; the 2011 listeria outbreak in cantaloupes.
A look at the efforts of Save the Chimps, an animal sanctuary that rescues chimpanzees from research use; a report on rape investigations at America's military academies. Also: a profile of C.J. Nitkowski, a former MLB pitcher who underwent a stem-cell procedure in an effort to repair his injured shoulder.
A military-housing issue in Virginia that has allegedly resulted in mold-induced health problems; a look at treatments using battery-powered electrodes for suicidal patients and people with severe brain disorders. Also: a discussion with family members of Joe Stack, who burned down his house and flew a plane into the Austin IRS offices in February 2010.
Reports on campaigns against teen bullying by the motivational speaker The Scary Guy, and efforts by some U.S. colleges to enhance their basketball programs. Also: a profile of Aquille Carr, a 5-foot-7 high-school basketball star from Baltimore.
A report on the dangers faced by reporters in Homs, Syria. Among those interviewed are CNN reporter Arwa Damon and security-risk adviser Tim Crockett, cameraman Neil Hallsworth and CNN International managing director Tony Maddox. Michael Holmes reports.
Topics include the use of military veterans as test subjects for chemical experiments at a Maryland military facility from 1955 to 1975; and the role of social media, lawyers and lobbyists in the process of conferring sainthood in the Catholic Church. Also: profiles of Mexican journalists Adela Bello and Javier Valdez Cardenas, who report on the government corruption, gang violence and crime behind their country's drug wars.
A Whitney Houston retrospective. Interviewed: Jennifer Holliday, Kim Burrell, Kelly Price, Shaun Robinson ("Access Hollywood"), Los Angeles Times music writer Gerrick Kennedy and a spokesman for a nightclub Houston visited the Thursday before she died. Other topics include airplane-cargo security and the Nuclear Regulatory Commission recertification of the Vermont Yankee nuclear power plant despite questions about its safety.
Topics include U.S. Drug Enforcement Administration operations in Honduras, and a 1996 murder case in Westchester County, N.Y., in which an NYPD officer was convicted of killing a man arguing with his father over a parking space.
Topics include indoor pollution in schools; how teaching practices for medical-board certification in radiology could inadvertently encourage cheating; and Anonymous, the informal group of computer hackers that targets corporate and government Web sites, and supported the Arab Spring and Occupy movements. Brooke Baldwin, Drew Griffin, Sanjay Gupta and Amber Lyon report.
A report on Anonymous, the loosely knit group of computer hackers that targets corporate and government Web sites around the world, and supported the Arab Spring and Occupy movements. Amber Lyon reports.
Topics include the depletion of the shark population as a result of hunting; and environmental hazards posed by plastic bags. Also: cohost Sanjay Gupta on challenges faced by returning veterans seeking health care. Kaj Larsen and Amber Lyon report.
A report on women's professional mixed martial arts; an investigation into the June 2011 murder of an African-American man in Jackson, Miss., allegedly by a group of white teenagers. The focus on the latter story is on whether it was a hate crime. Correspondents: Amber Lyon and Drew Girffin. Sanjay Gupta and Soledad O'Brien are the hosts.
An update on the 2007 home-invasion murders of Jennifer Hawke-Petit of Cheshire, Conn., and her daughters, Hayley and Michaela Hawke-Petit's husband, Dr. William Petit, survived the attack. Randi Kaye reports.
Joe Johns reviews the 2001 bioterrorism incidents that resulted in five deaths in the U.S. (in the weeks after the 9/11 attacks) in light of recently released FBI and Justice Department documents relating to the cases.
An overview of the case against Amanda Knox, the American exchange student in Italy whose conviction for the 2007 murder of her roommate was overturned Oct. 3, 2011. CNN's Drew Griffin reports from Perugia, Italy, where the killing took place; and Seattle, where Knox grew up. Included: an interview with Giuliano Mignini, the chief prosecutor at Knox's 2009 trial.
The stories of people who went to work on Sept. 11, 2001, and inadvertently became a part of history, including ticket agents who checked in some of the terrorists; a maintenance technician who intercepted a call from one of the planes under attack; and an Air Force reservist who scrambled to provide defense to New York. Reporter: Drew Griffin.
The U.S. Coast Guard Station Golden Gate near San Francisco; the real story that inspired the movie "30 Minutes or Less"; the lawsuit against CBS Studios by "Happy Days" supporting players Don Most, Marion Ross, Anson Williams and Erin Moran.
How the U.S. Navy marine mammal unit trains dolphins to detect and intercept swimmers who could be terrorist divers. Also: the hold that FLDS leader Warren Jeffs has over his followers from behind prison bars; pain pill-addicted babies in Florida.