Jersey Police have released a new appeal for a person who was seen walking on the night of Thomas Frost's disappearance to come forward.
Officers would like to speak to the person walking down Le Mont Huelin on Saturday night (11 February) at around 9:30pm and 10:00pm.
They were wearing dark clothing and carrying a small light.
Over the next few days islanders will start to see missing person posters appearing around St Ouen, St Peter and other areas police think are relevant to their search for 51 year old Mr Frost.
They will also be given to bus and taxi drivers to display.
He was last seen five days ago at his parents' home in St Ouen and is believed to be wearing a crimson red T-shirt underneath a navy shirt with white buttons and navy jeans.
He could also be wearing a light grey hoodie over his shirt and barefoot - the 51-year old is around 5ft 10 and of a medium build,
Anyone with any information is asked to contact the police on 01534 612612, option 2, option 4.