New documents reveal the police knew its controversial Armed Response Team trial was flawed from the beginning.
The police launched its six-month Armed Response Team trial as a way to tackle a rise in gun crime last year.
But a One News investigation has revealed that the police were repeatedly told trialing armed officers on a patrol would not be worthwhile.
Documents showed that researchers, who were in charge of evaluating the trial, had raised concerns about its length and the lack of baseline data before it had even started.
Police Commissioner Andrew Coster speaks to Corin Dann.
