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.

Coco Crisp, Jon Lester, and Adrian Gonzalez.

USA TODAY SPORTS/AP/EPA

How far does Red Sox’ reach go in MLB?

The Globe sifted through each team’s 40-man roster, front office directory, and coaching staff list to quantify the Red Sox’ tree.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/02/16/BostonGlobe.com/Sports/Images/dev985-6791.jpg 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.

Whatever Republican Charlie Baker proposes won’t be the final word.

AP/File

Governor Baker to release state budget proposal today

Outside analysts expect Governor Charlie Baker to propose tough cuts to tame a projected $1.5 billion shortfall.

Supreme Court appears divided over health care law subsidies

Justices aggressively questioned lawyers on both sides of the latest politically charged fight over President Obama’s law.

//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.”

Live video: Aaron Hernandez murder trial

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

Opinion

DANTE RAMOS

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2015/03/03/BostonGlobe.com/EditorialOpinion/Images/dante_ramos-1115.jpg On licensing rules, insiders rig the game

The Supreme Court just made it a little harder for well-connected industries to hijack government regulation for their own ends.

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.