All Things Considered

It's Cinderella plus Jackie Robinson times two. When Venus and Serena Williams burst onto the lily-white world of tennis, they changed the game and made history: They were sisters. From a poor neighborhood. Who brought unprecedented power to the game. And both reached No. 1.

Their journey is the subject of a new documentary called Venus and Serena, showing in select theaters around the country.

An unsolved triple murder in the Boston suburbs is getting a closer look in the wake of the marathon bombings. One of the victims may have been a friend of bombing suspect Tamerlan Tsarnaev. That's prompting authorities to revisit the 2011 case.

The murders took place in Waltham, Mass. On Sept. 12, 2011, police responded to a house in the leafy suburb a few miles west of Boston.