The fatal shooting happened just a week before Christmas, and police say they know there were people in the area who saw something.
Southern England has been battered by snow as droves of cars battle their way through icy conditions as rush hour chaos ...
After a high-profile 29-day search, the 19-year-old's body was found near the mountainous village of Masca and a post-mortem examination revealed he had died from 'traumatic head injuries'.