But officials cautioned that the search did not suggest that

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But officials cautioned that the search did not suggest that

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(CNN) One of the deadly Boston Marathon bombs was apparently placed inside a metal pressure cooker and hidden in a backpack, a federal law enforcement official said Tuesday.

A timer canada goose outlet uk sale was likely used to activate one of the bombs, rather than a cell phone, another law canada goose outlet shop enforcement official said.

Details began to emerge as investigators combed through shreds of evidence in what Boston Police Commissioner Ed Davis called most complex crime scene that we dealt with in the history of our department. cordoned off area has been reduced from 15 blocks to 12, he said.

Even the smallest bits of debris could help indicate canada goose outlet uk the bombs said a federal law enforcement official who works in the intelligence community.

The two bombs Monday turned a crowded celebration into devastation, killing three people including an 8 year old boy. More than 170 people were wounded.

The explosives themselves were small, and initial tests showed no C 4 or other high grade explosive material suggesting canada goose outlet store the packages used in the buy canada goose jacket attack were crude devices, a federal law enforcement official in the intelligence community said.

Based on the bombs effects, the devices could have been small enough to be concealed in small bags or boxes, Canada Goose Outlet a law enforcement official said. The smoke was consistent with a improvised explosive mixture, perhaps flash powder or sugar chlorate mixture, the official said.

So far, no suspects or motive have been determined.

will go to the ends of the Earth to identify the subject or subjects who are responsible for this despicable crime and we will do everything we can to bring them to justice, said Richard DesLauriers, the special agent in charge of the FBI Boston Division.

mission is clear: to bring to justice those responsible The American canada goose outlet cheap canada goose canada public wants answers. The citizens of the city of Boston and the Commonwealth of Massachusetts want and deserve answers. Obama said that while it was act of terrorism, it unknown whether the attack was the work of a terrorist group or malevolent individual. So far, no footage has been spotted showing someone placing the bombs, a law enforcement source said.

don know that they were witnesses that they might actually have evidence in their phones or in their cameras, Juliette Kayyem, President Obama former assistant secretary for homeland security, said on CNN Point. FBI is likely issuing subpoenas for records from cell towers in the area to isolate canada goose outlet and trace calls from around Copley Square at the time of the blasts, according to a federal law enforcement official.

Doctors believe bombs contained sharp objects

Two doctors overseeing treatment of the injured believe the explosive devices contained nails or similar objects.

Many patients have severe wounds to the blast effect of the goose outlet canada bomb as well as small metallic fragments that entered their bod, including and objects, said Dr. George Velmahos, head of trauma care at Massachusetts General Hospital.

A variety of sharp objects were found inside the patients bodies, he said, adding that the bombs probably contained multiple metallic fragments.

Asked whether what was found in the patients bodies could have come from nearby objects that exploded in the blast, Velmahos said he canada goose uk black friday believes the materials were likely part of the explosive devices.

Ron Walls, chair of emergency medicine at Brigham and Women Hospital, said most patients there were wounded by debris. But three were injured by round objects that were uniform, consistent, metallic, he said. And canada goose Canada Goose online outlet online uk another patient had more than 12 carpenter type nails.

is no question some of these objects were implanted in the device for the purpose of being exploded forward, Wall said. But officials cautioned that the search did not suggest that there was a suspect.

The search was connected to a young Saudi citizen who is visiting on a student visa and has been questioned, a law https://www.bamschaatsteam.nl enforcement official said, adding that consent was given and no warrant was needed. So far, the Canada Goose Online official told CNN, he has not heard canada goose store of anything being found connecting the person to the bombings.

Three young Saudi men, all on student visas, live in the apartment, CNN affiliate WHDH reported. One of them, Mohammed Bada, told the station that when police arrived at the apartment, they told him that his roommate had been injured in the blasts.

Asked whether his friend was involved in the bombing, Bada told WHDH that he did not know, but that he does not think so. are good people, Bada said.

The experience of having police canada goose outlet black friday come to the apartment was he said.

The Revere Fire Department said on its Facebook page that the FBI; the Federal Bureau of Alcohol, Tobacco, Firearms, and Explosives; immigration officials, state and local police, detectives and bomb uk canada goose techs all took part in the search at the apartment, which lasted from early evening Monday until the early hours of Tuesday.

Investigators told police Monday to canada goose uk outlet be on the lookout for a or black male with a possible foreign accent in connection with the marathon bombs, according to a law enforcement advisory obtained by CNN. The canada goose jacket outlet man was seen with a black backpack and sweatshirt and was trying to get into a restricted area canada goose outlet toronto factory about five minutes before the first canada goose black friday sale explosion, the lookout notice states.

A Saudi woman, a medical student who was also injured in the blast, has also been interviewed by investigators, according to a law enforcement source.