Police investigating the disappearance of teenager Cole Cooper are to revisit the locations where he was last seen before he went missing four weeks ago.
Cole Cooper, 19, from the village of Banknock, near Falkirk, was reported missing on Friday 9 May.
Police say they have a confirmed witness sighting of him at about 20:45 on Wednesday 7 May in the nearby village of Longcroft.
Prior to that he had been captured on CCTV at several locations in Longcroft in the early hours of Sunday 4 May after he had left a party in Denny.
Police have spoken to almost 400 residents through door-to door inquiries and more than 2,000 hours of CCTV have been seized.
Officers say that since a dedicated online information portal was set up, numerous potential sightings, possible lines of inquiry, footage and images have been submitted directly to the investigation team.
