Technology is neutral: It convicts and finds innocents. We must make it a regularized part of the system giving defendants access to DNA testing and evidence whenever it might be relevant.
I went to England in the '70s and I was in my early 20s. There was still a residue of that era of being an underclass or colonial. I assume it must have been a more aggressive and prominent attitude 40 years before that because Australia internationally wasn't regarded as having much cultural value. We were a country full of sheep and convicts.