Prosecutor William Weinreb delivered his opening statement at the Dzhokhar Tsarnaev trial.

Art Lien

Prosecutor William Weinreb delivered his opening statement.

Authorities roamed the waters outside the courthouse on Wednesday.

John Tlumacki/Globe STaff

Authorities roamed the waters outside Moakley federal courthouse.

A demonstrator held a sign outside the trial in Boston.

John Tlumacki/Globe STaff

A demonstrator held a sign outside the trial in Boston.

Timothy Watkins, an attorney for Dzhokhar Tsarnaev, arrived at the court.

John Tlumacki/Globe STaff

Timothy Watkins, an attorney for Dzhokhar Tsarnaev, arrived at the court.

A K-9 officer and his dog patrolled outside the court Wednesday.

Wendy Maeda/Globe staff

A K-9 officer and his dog patrolled outside the court Wednesday.

Opening statements are set for today in Marathon bombing trial.

Wendy Maeda/Globe staff

Opening statements are set for today in the Marathon bombing trial.

Some victims and their families arrived at the court.

Wendy Maeda/Globe staff

Some Marathon victims and their families arrived at the court.

The victims were escorted inside court through a private entrance.

Wendy Maeda/Globe staff

The victims were escorted inside court through a private entrance.

Police walked the perimeter of the courthouse.

John Tlumacki/Globe STaff

Police walked the perimeter of the courthouse.

Defense admits Tsarnaev took part in Marathon bombings

An attorney said the bombings were ?misguided acts? carried out by Dzhokhar and his late older brother, Tamerlan.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/03/04/BostonGlobe.com/Metro/Images/court150-7932.jpg Spectators look to witness history at Tsarnaev trial

?This is definitely one of the biggest trials ever in Boston ? maybe the biggest,? said Marissa Babin, who arrived outside court around 5 a.m.

Although safety Devin McCourty wants to return to the Patriots, he will have plenty of teams after his services if he hits the free agent market on Tuesday.

barry chin/globe staff

McCourty wants to stay with Patriots, but test free agency

Devin McCourty said he still wants to return to New England, and feels the Patriots want him back as well.

Devra First

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/01/02/BostonGlobe.com/Magazine/Images/p16_AldenHarlow.jpg Is the customer always right?

The conduct of two women at Alden & Harlow, and a posting by the chef-owner, led to an online debate about his response.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/03/04/BostonGlobe.com/Metro/Images/biden150-7939.jpg Joe Biden coming to Boston for fundraiser next week

The vice president will be in the Boston area Tuesday for an intimate fundraiser for the DNC.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/03/04/BostonGlobe.com/Metro/Images/weather150-7936.jpg More snow on the way tonight through Thursday

The southeastern coast of Mass., which could see 4 to 6 inches on the ground, will be hit the hardest.

A roof collapse caused utility poles to be knocked down across Sprague Street.

David L. Ryan/Globe Staff

Two major roof collapses in Boston this morning

The collapses occurred at an industrial complex in Hyde Park and at the old Bayside Expo Center in Dorchester.

Officials warn people to keep off frozen Charles River

The ice may look stable, but officials say it can give way unexpectedly, and ?could be dangerous and deadly.?

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/03/03/BostonGlobe.com/ReceivedContent/Images/Tlumacki_happydogs_lifestyle065a.jpg Some want snowfall record, some want spring

With more snow forecast this week, a divide has emerged, one that would seem curious only to someone not from here.

natural gas pipeline protest in W. Roxbury

Globe Photo/Scott Eisen

West Roxbury pipeline approved by federal regulators

The five-mile project through West Roxbury has been staunchly opposed by neighborhood activists.

Live video: Aaron Hernandez murder trial

Testimony has resumed in the case against the former Patriots star.

Opinion

SCOT LEHIGH

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/03/03/BostonGlobe.com/EditorialOpinion/Images/Scot_Lehigh_150px-1107.jpg Boston mayor?s early lessons

What Walsh can learn from the Olympics bid, the school superintendent search, and all that snow.

The Big Picture

Jessica Rinaldi/Globe Staff

Documenting one family?s home birth experience

For Ashley Bennett, having her second child at home in Medford was an opportunity to be encouraged and supported.

The Globe Collection Promo