(Note: The default playback of the video is HD VERSION. If your browser is buffering the video slowly, please play the REGULAR MP4 VERSION or Open The Video below for better experience. Thank you!)
Description:<p>Former British police detective and TV investigator Mark Williams-Thomas, who has joined the search to find missing Jay Slater, 19, in Tenerife, told media he believes there are two likely options which could have happened to the Lancashire teenager.</p><br/><p>Williams-Thomas also said that, after receiving 'key information' through Slater's friends and family, there are 'two key people' he wants to track down and speak to.</p><br/><p>(Credit: Reuters)</p>