Donal MacIntyre: Unsolved

On Saturday, May 3rd 2003, seven-year-old Daniel Entwistle vanished from his hometown of Great Yarmouth, Norfolk. There are many unanswered questions.

in October of 2009, Alan Wood was bound, tortured, and mutilated in his home in the tiny rural Hamlet of Lound, near Bourne in Lincolnshire.

At 3:50am on Thursday, Nov 20th 1992, a driver en route to work discovered the body of a girl on Ringland Road on the outskirts of Norwich, Norfolk.

American Annie McCarrick vanished on March 26th, 1993 after being seen in a pub in the Dublin mountains with an unidentified man that evening.

Having been to a Masonic dinner, Barry Rubery got a lift with friends and was dropped off at his home in Iron Acton, Bristol, on April 28th, 2010.

35 year old Claudia Lawrence returned home from her work as a chef at the University of York's Roger Kirk Center.

Grandmother Valerie Graves was brutally murdered five days after her 55th birthday. She was found dead in her bed by her sister on December 30th, 2013

Trevor Deely vanished from the streets of Dublin in the early hours of December 8th, 2000.

Penny Bell, a successful mother of two, left home at 9:40am. She drove into the Gurnell Leisure Centre car park less than an hour later.

August 24th, 1996, the severely battered body of 14-year-old Caroline Glachan was found by a drug addict in the Leven River near Loch Lomond.