Police have used DNA evidence to build a profile of the man they they believe raped and murdered a Google executive in Massachusetts while she was out jogging last summer.
The partially burned body of Vanessa Marcotte, 27, was found in a wooded area in Princeton, half a mile from her mom's home, on August 7 last year.
Now, six months on, police say a DNA breakthrough has revealed the appearance of someone who was on the scene - and they hope that it will help them crack the case.
Officials are seeking a Hispanic man of average height and an athletic build, Worcester County district attorney Joseph D Early Jr said in a press conference.
He said the man is around 30 years old and had a shaved head or short hair on the day of the murder