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A few weeks after mother Laura May Shatanawi failed to return home after an exam, her husband reported her missing - but then his secrets came to light.

Explores the task that police forces and prosecutors across the UK face as they try to get justice for families and prove a murder has happened without the victim's body, a vital piece of evidence.

When Jane Harrison went missing in 1995, the search was fruitless and the case closed three months later. But 17 years on, new evidence revealed shocking truths.

When Susan Waring's family grow concerned about her lack of contact, she is reported missing. Two months on, police believe the case is a murder investigation.