Eyewitness: Kids said "there was a big gun and a little gun"

Aaron Hernandez, a tight end with the New England Patriots, was questioned for hours by police in Massachusetts who are investigating a possible homicide. A body was found not far from Hernandez's home. Bree Sison, of CBS Boston station WBZ, reports.

Luxury vehicles are a big target for car thieves. Bill Whitaker reports on how law enforcement is using technology to target the international theft ring that specializes in smuggling luxury cars.

CBS News senior correspondent John Miller, a former assistant director, discusses thwarted terror operations, the NSA's surveillance program, and what's next for the NSA leaker, Edward Snowden.

Congress will learn more about how secret surveillance helped prevent terror attacks. But recently, the director of the National Security Agency went public, explaining how over 50 of plots were stopped. Bob Orr reports on the latest effort to boost support for the controversial spying program.

Afghan president Hamid Karzai has announced he is suspending security talks with the U.S., due to Afghan officials' concerns about planned peace talks between the U.S. and the Taliban. Just hours after announcing their intention to engage in the talks, the Taliban took responsibility for killing 4 American soldiers. Charlie D'Agata reports.

More than 50,000 demonstrators, protesting high taxes, high prices, and a corrupt government packed the streets of Sao Paulo. The demonstrations were initially triggered by a hike in public transportation fares. In some cities, the fares have been reversed. Norah O'Donnell reports.

Dr. Jon LaPook recalls watching Secretariat become the first U.S. Triple Crown champion in 25 years at the 1973 Belmont Stakes.

New York City's Second Ave. subway was first conceived almost a century ago and when it is completed, it will extend all the way down the eastern side of Manhattan with 16 new stations. CBS News' Don Dahler reports on one of the most challenging public works projects in the country.

The Oxford English Dictionary says "tweet" is now an official word - defined as, "To make a posting on the social networking service Twitter." Gayle King reports.

The U.S. economy is getting better, which could mean more Americans will get married in the next two years. Norah O'Donnell reports.

A driverless boat was left running after the two passengers were tossed in a giant wave off the coast of Saint Petersburg, Fla. Norah O'Donnell reports.

Officials in Colorado have ruled out a natural origin for the Black Forest fire, near Colorado Springs. CBS News' Barry Petersen reports that finding the cause may harder than putting out the fire.