"We fully support the police using technology to combat crime and terrorism, but law-abiding New Yorkers should not end up in a police database every time they walk their dog, go to the doctor, or drive around Manhattan, " Christopher Dunn, associate legal director at the New York Civil Liberty Union, said.
Authorities say they believe the brothers later killed a Massachusetts Institute of Technology police officer.
About 40 minutes after they allegedly shot and killed a Massachusetts Institute of Technology police officer in Cambridge, Mass.
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Massachusetts Institute of Technology Police Chief John DiFava remembered how the young officer had once asked to volunteer at a homeless shelter.
Massachusetts Institute of Technology police officer Sean Collier, 26, is shot dead on the school's Cambridge, Massachusetts, campus -- a killing authorities later link to the Tsarnaevs.
Mr. Donohue was wounded shortly after the bombing suspects allegedly shot and killed his friend Sean A. Collier, a patrol officer with the Massachusetts Institute of Technology police in Cambridge.
Tsarnaev could also face state charges in the slaying of a Massachusetts Institute of Technology police officer, who was shot in his cruiser Thursday night on the MIT campus in Cambridge.
In Boston, the circumstances are especially egregious: Three people, including an 8-year-old boy, died in the twin blasts, more than 260 were injured, and a Massachusetts Institute of Technology police officer was later fatally shot.
Soon after, in Cambridge, across the Charles River from Boston, a Massachusetts Institute of Technology police officer was fatally shot while he sat in his car, the Suffolk County District Attorney's Office said in statement.
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Officials also believe Massachusetts Institute of Technology police officer Sean Collier was killed by one or both of the brothers three days after the marathon attack, leading to the manhunt in which Tamerlan Tsarnaev, 26, was killed.
At the Cathedral of the Holy Cross in South Boston, photographs of the three people killed in the attack and a Massachusetts Institute of Technology police officer slain Thursday were displayed on the altar, each face illuminated by a glowing white pillar candle.
In addition, the Watertown Police Department, the Cambridge Police Department, the Massachusetts Institute of Technology (MIT) Police Department, the Boston Fire Department, the National Guard and police, fire and emergency responders from across Massachusetts and New England played critical roles in the investigation and response.
This means the control systems and the reliability of technology in police labs do not have to meet the same stringent standards as their private counterparts.
Both brothers were believed to be involved in the fatal shooting of a Massachusetts Institute of Technology campus police officer during Thursday night's chaotic series of events.
By and large, Central American police lack the skills, technology and resources to combat the maras.
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In November the president of Germany's federal police complained that the encryption technology used by Skype makes it impossible for his officers to listen in on conversations.
But after advances in DNA technology, the police decided to approach men seen during the initial investigation and asked them to provide a mouth swab which was then compared with the DNA profile.
Forty years ago, women with no apparent power, either transactional or economic, moved tens of thousands of women into business and the professions, into the skilled trades, into science, engineering, and, technology, onto police forces and into fire houses.
To combat a shortage of officers on the beat, she wants to bring in more police posts in shopping centres, and use new technology in community booths, such as "virtual" police officers on the web.
The mayhem began, after a university police officer died in a shooting on the Massachusetts Institute of Technology campus in Cambridge late Thursday, state police spokesman Lt.
Colombia's National Police has world-class surveillance technology and a huge helicopter fleet to fight drugs, but is less good at dealing with ordinary crime.
However, as police become more familiar with the technology and the technology itself grows, significant constitutional and criminal justice issues would continue to rise, he said.
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He added that his department deployed a helicopter, a "significant number of police officers" and the latest technology, such as several mobile cameras, to ensure increased vigilance.
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Concerns about the safety of broadcasting police feeds have been amplified as technology has moved from clunky, home-bound radios to handheld radios, the Web and now mobile apps available on any smartphone.
Speaking at a briefing on Thursday, Amanda Cooper, director of information, science and technology at Thames Valley Police, said officers would approach individuals between now and next summer to collect the samples.
The New York Police Department confirmed that it uses the technology but wouldn't divulge specifics.
Police say further use of mobile phone technology had produced several "hot spots" that specialist search teams are examining.
Now North Yorkshire Police have revealed that advances in DNA technology may bring them closer to identifying the body.
It all feels a bit out of place in this cyborgian future of PMCs, privatized police forces, and super-advanced technology.
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The Association of Chief Police Officers (Acpo) cited better technology used to catch sex offenders as a possible reason for the figures.
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