Officials: 'Dedicated officer' gunned down by Boston Marathon suspects at MIT

A Massachusetts Institute of Technology campus police officer was shot and killed near the campus in Cambridge, Mass.,Thursday night, authorities said.'Dark skinned and possibly Middle Eastern' suspects.A transit police officer was also wounded in the Watertown fire fight, officials confirmed to NBC affiliate WHDH. Authorities were investigating whether the violence in Watertown, the fatal shooting at MIT and Monday's marathon bombing are connected.The suspects shot Collier on the MIT campus in Cambridge, Mass., following an altercation, according to authorities. They then allegedly carjacked a Mercedes SUV, holding the driver hostage for a half hour before freeing him at a gas station inThe suspects shot Collier on the MIT campus in Cambridge, Mass., following an altercation, according to authorities. They then allegedly carjacked a Mercedes SUV, holding the driver

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