Madeleine McCann investigator Kevin Halligen found dead

Police are investigating the death of one of the first private detectives hired by the parents of missing Madeleine McCann.Kevin Halligen, 56, was found unwell at his girlfriend's Surrey home and later died.Mr Halligen's company, Oakley International, was hired on a £500,000 contract by Kate and Gerry McCann and the administrators of the Find Madeleine Fund in 2008, a year after their daughter vanished in Portugal.