<sod >TheÃÂÃÂ national investigation, called Operation Lattise, is theÃÂÃÂ first of its kind to take place in Scotland and was carried out over six weeksÃÂÃÂ between 6 June and 15 July.< eod>< sod > TheÃÂÃÂ national investigation, called Operation Lattise, is theÃÂÃÂ first of its kind to take place in Scotland and was carried out over five and a half weeksÃÂÃÂ between 6 June and 15 July.< eod>