Suspect is charged, could face death penalty

Friends, family, and students attended a memorial service for Lingzi Lu at Boston University today. She was one of the people killed in the Marathon bombing. Her aunt, Ting Lu, accepted a traditional gift of remembrance -- papers signed by students with words of bereavement.

dina rudick/globe staff

Friends, family, and students attended a memorial service for Lingzi Lu at Boston University today. She was one of the people killed in the Marathon bombing. Her aunt, Ting Lu, accepted a traditional gift of remembrance -- papers signed by students with words of bereavement.

Bullet holes and blood stains were visible on the boat where Dzhokhar Tsarnaev  hid in Watertown.

david l. ryan/globe staff

Bullet holes and blood stains were visible on the boat where suspected bomber Dzhokhar Tsarnaev hid in Watertown.

The family of Marc Fucarile, who was badly injured in the bombings, spoke at Massachusetts General Hospital.

dina rudick/globe staff

The family of Marc Fucarile, who was badly injured in the bombings, spoke at Massachusetts General Hospital.

Investigators painted markings on the pavement on Boylston Street at the scene of the bombings. The FBI returned control of the street to the city of Boston, which will reopen it in stages.

david l. ryan/globe staff

Investigators painted markings on the pavement on Boylston Street at the scene of the bombings. The FBI returned control of the street to the city of Boston, which will reopen it in stages.

MIT students and staff membersgather along Vassar Street for a moment of silence for the victims of the Boston Marathon bombings and for MIT police officer Sean Collier.

pat greenhouse/globe staff

MIT students and staff members gathered along Vassar Street for a moment of silence for the victims of the Marathon bombings and for MIT police officer Sean Collier.

Several hundred people gathered for a moment of silence on Boylston Street on Monday afternoon.

David L. Ryan/Globe Staff

Several hundred people gathered for a moment of silence on Boylston Street on Monday afternoon.

Firefighters who were first responders at the Marathon bombings observed a moment of silence.

Bill Greene/Globe Staff

Firefighters who were first responders at the Marathon bombings observed a moment of silence.

Firefighters from the Boylston Street Firehouse hung signs honoring the victims.

Bill Greene/Globe Staff

Firefighters from the Boylston Street Firehouse hung signs honoring the victims.

FBI and other officials at the site of one of the explosions on Boylston Street observed a moment of silence.

David L. Ryan/Globe Staff

FBI and other officials at the site of one of the explosions on Boylston Street observed a moment of silence.

Mourners gathered near a memorial set up on Boylston and Hereford streets on Monday afternoon, a week after the Boston Marathon bombings.

David L. Ryan/Globe Staff

Mourners gathered near a memorial set up on Boylston and Hereford streets on Monday afternoon, a week after the Boston Marathon bombings.

The mother of Krystle Campbell, center, led the processions of mourners out of the church after her daughter's funeral at St. Joseph Church in Medford on Monday.

CJ GUNTHER/EPA

The mother of Krystle Campbell, center, led the processions of mourners out of the church after her daughter's funeral at St. Joseph Church in Medford on Monday.

In the first funeral for victims of the Marathon bombings, Campbell was laid to rest in front of a capacity crowd at the church.

Kevork Djansezian/Getty Images

In the first funeral for victims of the Marathon bombings, Campbell was laid to rest in front of a capacity crowd at the church.

Mourners gathered to console each other outside of the church.

CJ GUNTHER/EPA

Mourners gathered to console each other outside of the church.

Cardinal Sean O'Malley, with scepter, helped officiate the funeral Mass, and met with Campbell's mother after.

Kevork Djansezian/Getty Images

Cardinal Sean O'Malley, with scepter, helped officiate the funeral Mass, and met with Campbell's mother after.

An overflow crowd of mourners lined the street outside the church.

Mario Tama/Getty Images

An overflow crowd of mourners lined the street outside the church.

Tears streamed from the faces of some of the mourners who exited the church after the funeral.

Brian Snyder/Reuters

Tears streamed from the faces of some of the mourners who exited the church after the funeral.

Police lined the street as family, friends and mourners arrived at Krystle Campbell's funeral.

David L. Ryan/Globe Staff

Police lined the street as family, friends, and mourners arrived at Krystle Campbell's funeral.

An honor guard from area fire departments saluted as  the casket of Marathon bombing victim Krystle Campbell was carried into St. Joseph's Church in Medford.

Elise Amendola/Associated Press

An honor guard from area fire departments saluted as the casket of Marathon bombing victim Krystle Campbell was carried into the church.

A sign in Medford Square near St. Joseph's Church in Medford.

CJ GUNTHER/EPA

A sign in Medford Square near St. Joseph's Church in Medford.

Parents walked their children to the Neighborhood House Charter School, where victim Martin Richard attended, on Monday morning.

Kayana Szymczak for the Boston Globe

Parents walked their children to the Neighborhood House Charter School, where victim Martin Richard attended, on Monday morning.

Monday was the first school day since the Boston Marathon bombings.

Kayana Szymczak for the Boston Globe

Monday was the first school day since the Boston Marathon bombings.

Tsarnaev to be tried in federal court

The charges carry the possibility of the death penalty or life in prison for 19-year-old Dzhokhar Tsarnaev.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/22/BostonGlobe.com/Metro/Images/silence8--90x90.jpg Region falls silent in memory of Marathon victims

A moment of silence was held one week after the deadly bombings.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2013/04/22/BostonGlobe.com/ReceivedContent/Images/22045669--90x90.jpg Investigators look into possible link to Waltham homicide

A friend of suspected Boston Marathon bomber Tamerlan Tsarnaev was brutally murdered, along with two others, in Waltham in 2011.

Letter from the publisher

Note to readers

As a service to our community, BostonGlobe.com was made available to all readers last week. Beginning Monday, all content will again be available only to subscribers — with one notable change.

Opinion on the bombings

Innovation Economy

Amid chaos, hospital staffers raised the bar

We owe tremendous gratitude to all those workers who show up at our city’s hospitals on normal days and the rest.

Sports

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red sox 9, a’s 6

Mike Napoli’s grand slam in the fifth inning gave him 25 RBIs on the season.

Napoli’s grand slam powers Red Sox past A’s

Mike Napoli’s big hit in the fifth inning helped the Red Sox stop a two-game skid and gave him 25 RBIs on the season.

Business

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Health and wellness

G Cover

Chelation,usually administered through an intravenous drip, uses chemicals that bind to metals such as lead, zinc, iron, aluminum, and copper inside the body and flush them out.

Unexpected results in study of chelation

A big study of the controversial therapy showed positive results in treating heart disease, but many have dismissed the findings.