I used to work for BT post split from the Posties and when I commented that the procedure for IB/SD investigations was very rigorous i.e. all interviews taped

I used to work for BT post split from the Posties and when I commented that the procedure for IB/SD investigations was very rigorous i.e. all interviews taped two copies of the tape kept. I said this is just like if the police where investigating your for murder and I was told ah well in the bad old days people used to fall down stairs on occasion