ABC Online | Sydney siege inquest: Police 'missed opportunities' to engage with Man Haron Monis, experts say ABC Online Expert negotiators have told the inquest into the Lindt Cafe siege that New South Wales police negotiators missed a number of opportunities to engage with gunman Man Haron Monis. International hostage negotiators Dr Andrew Brown and Chief ... Coded messages: How police could've stopped Monis Lindt siege cops 'misread gunman Man Haron Monis's state of mind' Lindt siege lessons must be learnt |