This undated photo released by New Haven Police Dept. , shows Yale graduate student Annie Le who disappeared on Sept. 8, 2009. The Connecticut medical examiner says the student found dead in her lab building was killed by asphyxiation caused by neck trauma. Dr. Wayne Carver's office released the results Wednesday Sept. 16, 2009, three days after her body was found. AP Photo logo AP Photo 29 months ago

This undated photo released by New Haven Police Dept. , shows Yale graduate student Annie Le who disappeared on Sept. 8, 2009. The Connecticut medical examiner says the student found dead in her lab building was killed by asphyxiation caused by neck trauma. Dr. Wayne Carver's office released the results Wednesday Sept. 16, 2009, three days after her body was found.