WHAT IF.it was just a terrible accident and fear of what the police would do .?

What if Madeleine heard one off the twins crieying and tried to see to the younger child, she might have tried to get a drink or some food for the other child and in doing this has fallen ,slipped or cut herself and been hurt very badly and then died.The McCanns fearing prosicution for leaving the children on there own hid madeleines body and buired her some were later.