Every year, 2,000 British people disappear. They just leave the house and never come back. The Missing (25 March) looked at the effect of such disappearances on those left behind to search, speculate and grieve. According to this documentary, someone disappears every two minutes. Most are back within 48 hours; 99 per cent have turned up within a year. The rest are still being sought. This rather moving but somewhat elusive film began with the case of a 51-year-old man named Mark Whittingstall, missing for four weeks when filming began. Mark’s story was told mostly through the testimony of his brother Steve, an altogether more robust man. Steve had left home and started a family; Mark, a “home bird” who liked bus- and trainspotting, stayed with his mother and father. When