Here are the most recent developments in the investigation into the April 15 Boston Marathon bombs: 
 
 New developments: 
 
 -- The death certificate for Boston bombings suspect Tamerlan Tsarnaev, who died April 19 after a shootout with police, says he died of "gunshot wounds of torso and extremities" and "blunt trauma to head and torso," according to Peter Stefan, the owner of the Graham, Putnam & Mahoney Funeral Parlors, which currently holds his body. 
 
 Previously reported developments: 
 
 -- Of the 264 people injured in the Boston Marathon bombings, 12 people, including one in serious condition, remained hospitalized Friday, according to a CNN count. 
 
 --The Department of Homeland Security has ordered U.S. Customs and Border Protection agents to verify "effective immediately" that every foreign student who wants to enter the United States has a valid student visa, a U.S. government official told CNN on Friday. 
 
 -- Explosive residue has been found at the Cambridge, Massachusetts, home that suspect Tamerlan Tsarnaev shared with his wife, Katherine, and their young daughter, a source briefed on the Boston bombing investigation told CNN Friday. The source said residue samples tested positive in at least three areas: the kitchen table, the kitchen sink, and the bathtub. 
 
 -- Federal agents, state troopers and local officers were searching areas in and around Dartmouth, Massachusetts, on Friday as part of the investigation into the Boston Marathon bombings, the FBI said. "There is no threat to public safety," the bureau said. 
 
 -- The funeral for Boston Marathon bombing suspect Tamerlan Tsarnaev will be held in Worcester, Massachusetts, the mayor's office in that city said Friday. 
 
 -- Tamerlan Tsarnaev's body was claimed Thursday by one of his uncles, Ruslan Tsarni, who lives in Maryland, according to a family spokeswoman. 
 
 -- The Massachusetts chief medical examiner's office said the cause of Tamerlan Tsarnaev's death will not be made public until the death certificate is filed with Boston's city clerk's office. 
 
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 -- The bombs used in the Boston Marathon attack were built in the apartment that suspect Tamerlan Tsarnaev shared with his wife and child, according to a U.S. law enforcement official briefed on the investigation. 
 
 -- Suspects Tamerlan and Dzhokhar Tsarnaev initially planned to carry out an attack on July 4, but their bombs were ready earlier than they expected and they decided to move up the date, a U.S. law enforcement official told CNN on Thursday. 
 
 -- A laptop computer belonging to suspect Dzhokhar Tsarnaev was turned over to the FBI by one of Tsarnaev's friends who has been charged with obstructing justice, Dias Kadyrbayev's lawyer told CNN on Thursday. A law enforcement source confirmed the attorney's account. He and another friend, Azamat Tazhayakov are accused of hiding it and other evidence from investigators. 
 
 -- A federal law enforcement official told CNN the charge of conspiring to obstruct justice relates to their moving things from Dzhokhar Tsarnaev's dorm room and throwing them into a dumpster. The source said the objects disposed of included fireworks inside backpacks. The trash bin subsequently was taken to a nearby landfill. Authorities carried out a two-day search of the landfill in New Bedford late last week. 
 
 -- The Kazakhstan Foreign Ministry said it was offering consular services to Kadyrbayev and Tazhayakov. "We would like to emphasize that our citizens did not receive charges of involvement in the organization of the Boston Marathon bombings. They were charged with destroying evidence," the ministry said in a statement. 
 
 -- Katherine Russell, widow of Tamerlan Tsarnaev, spoke to her husband after his picture appeared on national television as a suspect, two sources familiar with the investigation told CNN on Wednesday. The nature of the conversation remains under investigation, but the sources said there was some concern that Russell spoke with her husband but did not call authorities who were still seeking to identify the men in the photos. 
 
 -- Authorities said Wednesday that three of Dzhokhar Tsarnaev's friends -- Kazakh nationals Kadyrbayev and Tazhayakov and U.S. citizen Robel Phillipos -- were arrested in connection with the Boston Marathon bombings . The three men are accused of helping Tsarnaev after the April 15 attack, according to federal prosecutors. 
 
 -- About a month before the marathon attack, Dzhokhar Tsarnaev had told Kadyrbayev and Tazhayakov "that he knew how to make a bomb," according to an FBI affidavit recounting the charges. Kadyrbayev told investigators that Tsarnaev "appeared to have given himself a short haircut" two days after the bombings. 
 
 -- According to the affidavit, when the FBI on April 18 released photographs of bomb suspects later identified as Dzhokhar Tsarnaev and his older brother Tamerlan, Kadyrbayev texted his friend Dzhokhar to tell him "he looked like the suspect on television." Tsarnaev texted back "lol" and added, "come to my room and take whatever you want." Phillipos, Tazhayakov and Kadyrbayev went to the room, where Kadyrbayev noticed a backpack containing fireworks that had been "opened and emptied of powder," according to the affidavit. 
 
 "Kadyrbayev knew when he saw the empty fireworks that Tsarnaev was involved in the marathon bombing," the affidavit states. 
 
 -- Phillipos is charged with "willfully making materially false statements to federal law enforcement officials during a terrorism investigation," according to the complaint. ||||| WORCESTER – The body of the Boston Marathon bombing suspect killed in a shootout with police now lies in a Main South funeral home long known for burying the poor, loners and the unwanted. 
 
 The body of Tamerlan Tsarnaev will remain at the Graham Putnam & Mahoney Funeral Parlors until a cemetery willing to accept his body for burial can be found, a search that has proved fruitless so far. 
 
 The presence of the infamous remains inside the stately white Victorian building, on a busy stretch of Main Street lined by shops and business, attracted a vocal crowd of protestors by early evening – as well as a heavy police presence, a half-dozen television news trucks and a helicopter circling overhead. 
 
 Waving American flags and “Boston Strong” signs, protestors chanted “We don't want him here,” and “Shame on you,” eliciting supportive honks from passing motorists during rush hour. 
 
 "I'm not honoring a terrorist. I'm just burying a body," said Peter Stefan, owner of Graham Putnam & Mahoney Funeral Parlors. 
 
 Mr. Stefan said everybody deserves a proper burial and that he would pay for whatever expenses the family couldn't cover. He said he does not plan to file an application for Safe Burial Funds, which often pay for burying the poor. 
 
 "He doesn't deserve it," Mr. Stefan said. 
 
 
 
 Meanwhile, a death certificate released today says Tamerlan Tsarnaev died from gunshot wounds and blunt trauma to the head and torso. 
 
 Worcester Police Chief Gary J. Gemme said he likely will keep officers stationed outside the funeral home at 838 Main St. as a precaution as long as the body remains there, although he may reassess the need for them if the crowd of onlookers and media dwindles through the weekend. 
 
 "We are in discussions with the funeral home so they can absorb some of the cost," Chief Gemme said. 
 
 Members of Mr. Tsarnaev's family first contacted Graham Putnam a couple of days ago as authorities prepared to release the body. An uncle, Ruslan Tsarni of Maryland, went to the Worcester funeral home yesterday afternoon to work with Mr. Stefan on funeral arrangements. The body arrived there last night. 
 
 Mr. Stefan has not talked to Mr. Tsarnaev's widow, Katherine Russell of North Kingstown, R.I., about the funeral arrangements. 
 
 As word spread this morning that the remains of one of the suspected bombers was in Worcester, television news trucks from Boston and a few curious locals congregated on the sidewalk outside Graham Putnam, drawn by the spectacle of a story that has made headlines around the world. 
 
 Perhaps sensing a potential backlash, some prominent members of the neighborhood praised Mr. Stefan's three-decade history of providing funeral services for those who were addicted to drugs, shunned by society or short on cash. 
 
 "He's probably the only one in the state who would do this," said William T. Breault, chairman of Worcester's Main South Alliance for Public Safety. 
 
 Mr. Breault said he respects the funeral director's commitment to bury those who led troubled lives that left them without mourners, but feels Mr. Stefan went too far in accepting the suspected bomber's body. 
 
 "I told him to his face, 'Peter, you're wrong on this one,' He's just plain wrong to bring in a dead terrorist," said Mr. Breault, who paced the sidewalk across from the funeral home speaking to reporters all morning. 
 
 Among the neighborhood residents who also gathered there, chatting in the sunshine and answering questions about what was going on from passing motorists, opinions ranged from indifference to outrage. 
 
 "I think Peter is a brave man for taking on this responsibility," said Doug Medina of Worcester. "Somebody has to bury him. He can't hurt us any more now and it has to be done." 
 
 Nery Lopez, who heard the news in Maria's Kitchen down the street, called Mr. Stefan a good and decent man. 
 
 "This guy deserves to be buried, he's still a human and I'm sure his parents are suffering," Ms. Lopez said. 
 
 But Charlene Guinard, who lives in the neighborhood, said she was appalled to hear the funeral home had agreed to handle the burial. 
 
 "He should be overseas where he belongs," Ms. Guinard said. "He just bombed Boston. My kid was there the day before he bombed it. I can't believe he's in there, this is crazy." 
 
 Mr. Stefan said logistics and expense ruled out returning the body to Mr. Tsarnaev's native Kyrgyzstan or the Dagestan region of Russia, where his parents now live. 
 
 For now, while Mr. Stefan continues looking for a cemetery, the body is destined to remain in the Worcester funeral home. 
 
 Mr. Stefan, who has been a funeral director for more than 30 years, said he has handled arrangements for more than 100 Muslim burials, and is experienced in their religious rites. 
 
 "The Muslims have to wash his body," Mr. Stefan said. "We have the soaps, no animal fats, for the washing of the body. Then the body is wrapped in a shroud." 
 
 Several protesters showed up outside a North Attleboro funeral home Thursday night where Mr. Tsarnaev's body was taken initially following its release by the state medical examiner. 
 
 The Tsarnaev family has said they are trying to arrange an independent autopsy, which Mr. Stefan said could be performed at his funeral home if the family wishes. 
 
 As for the controversy swirling on the street outside and on social media about the funeral home handling the burial of an alleged terrorist, Mr. Stefan simply said the job of funeral directors is to bury the dead. 
 
 "Who buried Timothy McVeigh? Who buried Jeffrey Dahmer? Who buried Lee Harvey Oswald? Who buried Ted Bundy?" Mr. Stefan said. "Somebody had to do it." 
 
 If he can't find a cemetery willing to accept the body, Mr. Stefan said he will have to ask the government to intervene. 
 
 Mr. Stefan said he will be responsible for filing the death certificate in Boston after the burial. The state medical examiner's office has not released the cause of death for Mr. Tsarnaev. 
 
 Former District 4 Councilor Barbara G. Haller called Mr. Stefan a kind, gentle, nonjudgmental man who has served on the board of directors for a local homeless shelter. She said she understands that having Tsarnaev's body in Worcester will be hard for some, but someone has to oversee services for the family. 
 
 "He takes people who don't fit into the mainstream," she said. "He's just going about his business." 
 
 Shamil Mohammed, president of the Worcester Islamic Center, said today that no one from the family of the Boston Marathon bombing suspect killed in a shootout with police contacted his center about funeral arrangements. 
 
 Worcester does not have an Islamic cemetery, so usually a family member of a deceased Muslim in the area will contact the center, and the center will make arrangements, Mr. Mohammed said. 
 
 Muslims typically bury the body quickly. The process entails washing the body and wrapping it in a simple garment. There will be a short prayer over the body, and then it is moved to the burial grounds. Compared to the more ceremonial Christian burial, the Muslim process is more simplistic, he said. 
 
 The center has spoken out critically against the marathon bombing brothers, yet it can't lower itself to not afford a person his basic right to a proper burial, Mr. Mohammed said. 
 
 “This is not acceptable for any human being,” Dr. Imad Khreim, a center board member, said of the attacks. “I have three boys who were in Boston and they were watching the marathon. What do you think I felt?” said Dr. Khreim, who was speaking as a member of the Muslim community and not for the board. “There's no decent human being who will accept this kind of indiscriminate, violent behavior.” 
 
 "(But) where you bury him and how you bury him - I think somebody has to bury him,” Dr. Khreim said. 
 
 The local men spoke after today''s main weekly prayer session at the center on East Mountain Street. 
 
 Mr. Mohammed said his center was more focused on doing its work to have a positive impact on both local Muslims and the general Worcester community.He said it wants to make sure children have the right understanding – that the bombings were not condoned by Muslims.The local Islamic community is grieving in two ways, he said. 
 
 First, the religion has been tainted through the brothers setting off the bombs in the name of Islam, he said. Second, local Muslims identify with being Bay Staters, and many of their children are Red Sox and Celtics fans who identify with Boston. 
 
 In the coming weeks, he said, grief counselors who have many been understandably focused on helping Boston area Muslims cope with the tragedy will be dispatched to Worcester to hold sessions with kids and adults. 
 
 Bob Kievra, Brian Lee and Scott J. Croteau of the Telegram & Gazette staff and The Associated Press contributed to this report. 
 
 Contact reporter Thomas Caywood at tcaywood@telegram.com or follow on Twitter @CaywoodTG
– Burying Tamerlan Tsarnaev isn't for the faint of heart—protesters gathered last night around a funeral home where the Boston bomber's body was initially taken after the state released it—but Peter Stefan is determined to do it. "I'm not honoring a terrorist," Stefan tells the Worcester Telegram. "I'm just burying a body." Stefan owns the Graham Putnam & Mahoney funeral parlor in Worcester, which routinely buries the poor, friendless, and unwanted. "I go back to the time when Lee Harvey Oswald died; somebody buried him. Timothy McVeigh, somebody handled that," Stefan tells WBZ. "I mean, we bury the dead." Of course, the family still needs to find a cemetery that will take Tsarnaev, which is proving tricky. They're also trying to commission their own independent autopsy. The official autopsy's cause of death won't be released until the death certificate has been filed with the Boston city clerk, CNN reports.