Family, friends mourn MIT officer

Collier, 27, was attacked in Cambridge in what Boston Police Commissioner Edward Davis has called a “vicious assassination.’’

The motorcade arrived at St. Patrick's Church in Stoneham for Sean Collier's funeral.

Bill Greene/Globe Staff

The motorcade arrived at St. Patrick's Church in Stoneham for Sean Collier's funeral.

Collier's family waited outside the church before the service.

Bill Greene/Globe Staff

Collier's family waited outside the church before the service.

Members of the Somerville Police waited to enter the church.

Bill Greene/Globe Staff

Members of the Somerville Police waited to enter the church.

Since his death, Collier’s family and friends have described a man who had helped others since his childhood years in Wilmington.

Bill Greene/Globe Staff

Since his death, Collier’s family and friends have described a man who had helped others since his childhood years in Wilmington.

Heather Tighe of Woburn and her son, Brendan, showed their appreciation and support outside the service.

Bill Greene/Globe Staff

Heather Tighe of Woburn and her son, Brendan, showed their appreciation and support outside the service.

Sean Collier was second youngest of six children and his family’s moral compass. Clockwise from lower left, siblings Andrew Collier, Nicole Lynch, Sean Collier, Jennifer Lemmerman, Jenn Rogers, and Rob Rogers posed for a family photo.

Kevin Cullen

MIT officer always looked out for others

The siblings of Sean Collier want people to know about the 27-year-old who was a loyal brother, a dutiful son, and a doting uncle.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/23/BostonGlobe.com/Metro/Images/slider_silence9--90x90.jpg Copley Square area reopening in stages today

Access will be limited to businesses and residents, and no time has been set to reopen the neighborhood to the general public.

People on Boylston Street paused for a moment of quiet tribute and reflection exactly one week after the Marathon bombings.

Only two patients remain in critical condition

The count of injured people from the Marathon bombings who were treated in area hospitals has jumped sharply to 282.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/23/BostonGlobe.com/Metro/Images/suspect-5721.jpg Suspect charged with using weapon of mass destruction

The prosecution of Dzhokhar Tsarnaev could put the Marathon bombing suspect in prison for life or send him to the death chamber.

Graphic

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/23/BostonGlobe.com/Special/Advance/Images/time585-076--90x90.jpg Bomb placement timeline

The FBI alleges Tamerlan and Dzhokhar Tsarnaev were observed Marathon Monday in the Boylston Street area, and that Dzhokhar planted the second bomb in front of the Forum restaurant.

Special section

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/21/BostonGlobe.com/Metro/Images/9f7685a6ecaf441a8df0c53ec2144d9e-9f7685a6ecaf441a8df0c53ec2144d9e-0-5400--90x90.jpg Full coverage: Marathon bombings

Coverage of the two blasts that shook that shook the city, killing 3 and injuring at least 140.

More coverage of the bombings

ATF and FBI agents checked suspect Dzhokhar Tsarnaev for explosives and also gave him medical attention after he was apprehended in Watertown.

Boston police official recounts capture in Watertown

At the time, police did not know whether Dzhokhar Tsarnaev was armed or whether he was wearing explosives.

Runners held Boston’s victims in their hearts as they observed a moment of silence before the London Marathon’s start.

ESSAY

In London, runners yearn for 2014 Boston Marathon

Following this year’s attack, the 2014 race now seems to be the one every devoted marathoner wants to run.

Opinion on the bombings

Christopher L. Gasper

The Red Sox welcomed Governor Deval Patrick and law enforcement officials as they saluted them for their role in the response to the Boston Marathon bombings on Saturday.

Boston athletes deserve praise for supporting city

The response by local pro athletes and teams has helped Boston heal from the pain of the Marathon attack.

Sports

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On basketball

Doc Rivers enjoys a light moment with the media before his team’s practice Monday.

Celtics can beat Knicks, but it won’t be easy

The depleted Celtics know they have to be nearly perfect to win the series because the Knicks have more depth. They can’t afford an 0-2 deficit.

Metro

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Stephen F. Lynch, left, and Edward J. Markey debated at WBZ studios in Boston.

In debate, Lynch hits Markey over national security votes

Representatives Stephen Lynch and Edward Markey, vying for the Democratic Senate candidacy, tangled over homeland security issues.

Nation & World

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Sen Max Baucus has decided to retire

Democratic Senator Max Baucus to retire

The powerful Senate Finance chairman, who steered President Barack Obama’s health care overhaul into law, has decided to retire.

Business

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Rachel Hamlin and daughter, Sophia, 9, visited the Mobile City Hall to find out when streets will reopen.

Losses, worries grow for companies in area of blasts

There are more than 400 businesses in the Back Bay that have been part of the closed-off crime scene from the Marathon bombings.

Arts

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FRAME BY FRAME

Small token of a Roman’s murderous ambitions

A coin issued by Marcus Junius Brutus, the most famous of Julius Caesar’s assassins, is the star in a new MFA gallery.

UMass Special Section

UMass 150

Jack Welch.

Jack Welch: How UMass launched my business career

One of America’s most famous businessmen, Welch got his first break with an acceptance to UMass.

Globe Insiders

Editorial Event | April 17

//c.o0bg.com/rf/image_90x90/Boston/Production/BostonGlobe.com/WebPages/Specials/Insiders/Content/Photos/Dina_Rudick_headshot2011.JPG Editorial Event: Video tips with Dina Rudick

Attend a session on photography and videography with the host of BostonGlobe.com’s “Back Story” series.

Boston Globe ePaper

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Read the ePaper edition

The complete print edition, in its exact layout. Browse the print edition page by page, including stories and ads.

Magazine

The cover for the April 21 2013 issue

Homestead act
The cover for the April 14 2013 issue

Greetings from Gun Valley
The cover for the April 7 2013 issue

The complete guide to Boston’s food trucks
The cover for the March 31 2013 issue

A living room design for grown-ups

Opinion

“The awful irony was that the war zone was in Copley Square, where reporters as well as runners, cheering crowds, students, and children were very much in harm’s way.”

Renée Loth 

Ideas

“What we felt this week, the collective vulnerability, is an exact reflection of what makes cities work in the first place, what makes them productive, and vital, and almost unimaginably resilient.”

Stephen Heuser, on the vulnerability of an open city