The Annie Le Yale case refers to the September 2009 murder of a 24-year-old Yale pharmacology doctoral student inside a university research building on the day she vanished, and the arrest, guilty plea, and 44-year sentence of Raymond Clark III, an animal research technician who worked in the same facility. Le’s body was discovered five days after she disappeared, hidden behind a utility panel in the basement of 10 Amistad Street, on the day she was scheduled to be married. Her family later sued Yale for wrongful death and settled for $3 million.
Who Annie Le Was
Le grew up in Placerville, California, and graduated as valedictorian of Union Mine High School in 2003. She earned a degree in cell and developmental biology from the University of Rochester, where she met her fiancé, Jonathan Widawsky. In 2007 she enrolled in Yale’s pharmacology doctoral program and joined the laboratory of associate professor Anton Bennett, studying phosphatase enzymes and their role in metabolic disease under a National Science Foundation grant. Bennett later called her “a diligent and incredibly hard-working student” who “gave the impression she was larger than her physical self.” Le stood just under five feet tall and weighed about 90 pounds. She was expected to complete her PhD in 2013.
What Happened on September 8, 2009
Security cameras recorded Le entering the Yale School of Medicine research building at 10 Amistad Street at approximately 10:00 a.m. None of the building’s roughly 70 cameras ever recorded her leaving. The facility housed animal research labs and used layered security: an electronic keycard to enter, a second level of clearance for the basement, and further restrictions on specific basement labs.
When Le did not return home, Yale offered a $10,000 reward and more than 100 officers from the New Haven Police Department, Connecticut State Police, and the FBI joined the search. Investigators found bloody clothing concealed above a ceiling tile inside the building. On September 13, 2009, shortly after 5:00 p.m., the Connecticut State Police Major Crimes Unit found Le’s body stuffed into a wall space meant to conceal pipes and wiring in the basement. The medical examiner ruled the death a homicide caused by traumatic asphyxiation. She had been strangled, and had suffered a broken jaw and broken collarbone while still alive. September 13 was the day Le and Widawsky had been scheduled to marry on Long Island before honeymooning in Greece.
How Raymond Clark III Was Identified
Raymond Clark III, then 24, had worked as an animal research technician at 10 Amistad Street since December 2004, cleaning cages and performing janitorial duties. Coworkers described him as a “control freak” who was “territorial about the mice whose cages he cleaned.”
The evidence against him accumulated quickly:
- Keycard swipe logs showed Le entering a restricted basement lab and Clark swiping into the same area shortly afterward.
- Surveillance video captured Clark changing his clothes on the day Le disappeared; the earlier clothing matched items investigators later recovered from the building.
- A white athletic sock hidden in a ceiling held blood and hair with DNA from both Clark and Le.
- A green ink pen found under Le’s body carried her blood and Clark’s DNA; building sign-in logs showed Clark had used a green pen that day.
- A lab coat in a laundry bin carried DNA from both people.
- When investigators interviewed Clark on September 10, they observed scratches on his face and left bicep, which he attributed to a cat.
- Mouth swabs, body hair, fingerprints, and fingernail clippings confirmed his DNA matched evidence at the scene.
- Sources reported that Clark failed a polygraph administered with FBI assistance.
Police monitored Clark at a Super 8 motel in Cromwell, Connecticut, and arrested him on the morning of September 17, 2009. He was charged with murder and felony murder and held on $3 million bail. New Haven Police Chief James Lewis initially characterized the killing as “workplace violence,” a “growing concern around the country.”
The Guilty Plea and 44-Year Sentence
On March 17, 2011, Clark appeared in New Haven Superior Court before Judge Roland Fasano and pleaded guilty to murder. In what prosecutors described as “the day’s major surprise,” he also entered an Alford plea to attempted sexual assault. Under an Alford plea, the defendant does not admit guilt but concedes the prosecution has enough evidence to convict, and the court treats it as a formal finding of guilt.
Supervisory Assistant State’s Attorney David Strollo laid out the sexual assault evidence for the first time. When Le’s body was found, her bra had been pushed up and her underwear pulled down to her ankles. Clark’s semen was recovered from her undergarments, and a separate semen sample taken from a wall at the scene was identified as his. Prosecutors said the evidence “reveals for the first time a possible motive for the killing,” moving the case away from the earlier workplace-violence framing.
The plea deal set a 44-year prison sentence: 44 years for murder and 20 years for attempted sexual assault, running concurrently. By pleading, Clark avoided trial on the original murder and felony murder charges, each of which carried a potential 60-year sentence. Under Connecticut law, individuals convicted of murder are not eligible for parole. Prosecutor John Waddock said at sentencing that Clark “will not be released from prison until 2053,” when he would be approximately 70 years old. The attempted sexual assault conviction requires him to register as a sex offender upon release.
Fifteen members of Le’s family traveled from California to the June 3, 2011, sentencing. Her mother, Vivian Le, told Clark, “You took away my only daughter. Her future is gone, her life is gone. Society has lost a beautiful woman. My family has lost a beautiful soul.” Clark spoke publicly for the first time and said, “I stand here today taking full responsibility for my actions. I am truly, truly sorry for taking Annie’s life.” Judge Fasano told the courtroom, “This defendant is going to pay for this crime every day of his existence.”
The Wrongful Death Lawsuit and $3 Million Settlement
In September 2011, Le’s mother, Vivian Van Le, filed a wrongful death lawsuit against Yale University in Connecticut Superior Court. The complaint alleged the university was negligent in hiring Clark and “knew or should have known” of his “aggressive behavior and a violent propensity towards women.” It claimed Clark had forced his high school girlfriend to have sex with him when they were students, and that Clark’s sister and brother-in-law, who worked as lab technicians in the same 10 Amistad Street building, were “well aware” of his past behavior.
The suit further alleged Yale fostered “an atmosphere of tolerance of sexual harassment and sexual assaults that emboldened Clark and left Ms. Le vulnerable to his attack,” and that the university did not investigate Le’s disappearance in earnest until the morning after she was reported missing. Attorney Joseph Tacopina, hired by Vivian Le in September 2010, said “they had other students and other lab employees who had made complaints about Ray Clark” and that Clark’s supervisor, also his brother-in-law, had received those complaints and failed to act.
Yale denied the allegations. Spokesperson Tom Conroy said there was “no basis for the suit” and that the university “had no information indicating that Raymond Clark was capable of committing this terrible crime.” Yale argued that “no reasonable security measures could have prevented his unforeseeable act,” and noted Clark had no adult criminal record in Connecticut other than a speeding ticket, and that employers generally do not have access to juvenile records. Le’s father, aunt, and uncle were reportedly opposed to the filing of the lawsuit.
The case was resolved through mediation. Probate court documents obtained by the Associated Press confirmed the settlement amount was $3 million. The lawsuit was formally withdrawn in November 2016.
Changes to Security and Policy at Yale
On September 30, 2009, Yale President Richard C. Levin announced a set of security and policy changes in an email to faculty and staff. The university updated its workplace violence policy to a “zero tolerance” standard for violent and threatening behavior, consolidating existing rules such as a weapons ban into a single document. Yale began requiring criminal background checks for temporary workers hired through agencies and for vendors with electronic access to university buildings. Clark had been hired before the university implemented routine background checks for new employees.
Yale also launched workplace violence prevention training for supervisors and expanded its Public Safety Council to include the head of human resources. The university announced plans to enhance emergency communication in “isolated indoor and underground areas,” considering additional emergency phones in locations like the basement where Le was killed. Yale already had more than 400 outdoor emergency “blue phones” on campus. Laura Smith, president of Local 34, the union representing clerical and technical workers, said the murder “brought anxieties about security, particularly at the medical school, to the forefront” and that “there are holes to be plugged.”
How Annie Le Is Remembered
More than 2,000 people gathered for a candlelight vigil on Yale’s Cross Campus on September 14, 2009, the day after Le’s body was found. A memorial service followed at Battell Chapel on October 12, 2009. Yale established the Annie Le Fellowship, supporting doctoral students in the Biological and Biomedical Sciences Program, with an initial $100,000 gift from the university and additional contributions from friends and members of the Yale community. It is awarded annually by the Graduate School of Arts and Sciences on the recommendation of faculty in the biological and biomedical sciences.