Four months ago a body was recovered from the bottom of Bristol Docks. It was the body of Mark Yendell, a British Rail steward. You could help track down his killer. In Hertfordshire a rapist struck three times recently - you might prevent a fourth. And in Essex, a family home is the scene of 90 minutes of night-time terror - three men are wanted.

The evidence in the murder of Hilda Murrell one year ago points, say police, to a burglary that went disastrously wrong. You could help solve the mystery and the controversy. And the mystery of a young French holidaymaker named Veronique Mireille Marre in Cumbria who vanished as she walked past Wast Water Lake-is she alive or dead?

In February two children died in a fire in Hastings - police know the fire was started deliberately. They need your help to find the murderer. Two women simply vanished from a village in North Wales. Somebody must have seen them since. And in a violent attack, two rings - one worth over £300,000 - were stolen from former pop star Karen Young.

Antique dealers Wallace and Mary Foster both tried to have a go at the armed robbers who attacked them in their home in Weybridge. Mr Foster was shot three times - you could help find the men responsible. And 7-year-old Mark Tildesley was last seen at a fairground in Berkshire in June, 1984. A year later, with the fair back in Wokingham, Mark's mother takes part in a reconstruction and appeals for your help to find her son.

In April a young couple discovered the body of a woman in a country lane nine miles from Bristol. Thirty-five-year-old Jackie Waines had been stabbed to death - "Crimewatch UK" pieces together her last known movements in the St Pauls district of Bristol where she worked as a prostitute. You could help find the killer. The "Crimewatch" Photocall - the faces you might recognise, including a violent Merseyside man on the run. And how you could help find the historic treasures stolen from Britain's churches.

Nine-year-old Imraan Vohra was murdered in a busy park in Preston, seven weeks ago - new witnesses are urgently needed. Three police forces are hunting for the man who's robbed ten building societies by holding the managers at gun-point. And the murder of Roy Page, an elderly Bristol shopkeeper. A 15-stone man was in the neighbourhood testing for gas leaks at the time - police need your help to trace him.

Workers who tackled gunmen during a wages snatch in Milton Keynes were attacked and shot at. The gang got away in a distinctive Rover stolen six weeks before - you might recognise the car. In Liverpool there's been a series of robberies on local businessmen. Raiders ambushed their latest victim at home and left him badly injured.

A gang in London are robbing security vans using a lethal new weapon - remote-controlled explosives. In Derbyshire, a village was rocked by an armed bank raid. Police now have a clear picture of the gunmen you may recognise them and the car they used.

woman led an armed gang into an exclusive London flat in September and robbed its occupants of £134,000 in jewels and furs. Two weeks later a watch, stolen in that raid, was offered to a bookie at Brighton races. Police believe that racecourse transaction could be the key to an armed and violent robbery.