NEW HAVEN, Con. - (AP) - A former animal research technician has pleaded guilty to murder and attempted sexual assault in the 2009 killing of a Yale University graduate student.Raymond Clark III entered the plea Thursday under an agreementwith prosecutors that calls for a 44-year sentence.He was accused of strangling 24-year-old Annie Le, ofPlacerville, Calif., in a case that drew intense national mediaattention to the Ivy League university.Le's body was found stuffed behind a research lab wall on Sept.13, 2009, five days after she was last seen inside the Yale medicalbuilding. It would have been her wedding day in New York.

The 26-year-old Clark had been charged with murder and felonymurder, each carrying a possible sentence of 25 to 60 years.

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