I wish senior police officers would stop making the same mistake over and over again. However well intentioned (as it undoubtedly was) it results in some families never seeing justice done.
http://www.guardian.co.uk/uk/2012/oct/19/taxi-driver-jailed-sian-ocallaghan
, Det Supt Steve Fulcher, ignored guidelines laid down in law governing how a suspect should be treated, because he believed there was a chance to find O'Callaghan alive if he did so. He interviewed him before Halliwell could see a solicitor and without warning him of his right to remain silent.
http://www.guardian.co.uk/uk/2012/oct/19/taxi-driver-jailed-sian-ocallaghan