> "police obtained the fingerprints of every male aged 16 and over who had been in the vicinity of Blackburn on the night of 14-15 May to compare their fingerprints to those left at the crime scene by the perpetrator. ... a milestone in the history of forensic science; this being the first time a mass fingerprinting exercise had been implemented to solve a murder in the United Kingdom."
> Just weeks prior to the execution of Peter Griffiths, all the fingerprint records obtained from individuals who had been in the vicinity of Blackburn between 14 and 15 May were publicly destroyed [emphasis my own] in a mass pulping exercise at a local papermill. Several local journalists were present to record the destruction of the records.
Why was society so vigilant about giving data that might be abused to authorities, and now, when the data is so much more vast and powerful, no one seems to care?
[0] https://en.wikipedia.org/wiki/Murder_of_June_Anne_Devaney