The RISKS mailing list archive has over three decades of material for you to research.<p><a href="https://catless.ncl.ac.uk/risks/" rel="nofollow">https://catless.ncl.ac.uk/risks/</a><p>Therac-25 was discussed here when the news broke.<p><a href="https://catless.ncl.ac.uk/Risks/3/9#subj2.1" rel="nofollow">https://catless.ncl.ac.uk/Risks/3/9#subj2.1</a>