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An Algorithm Told Police She Was Safe. Then Her Husband Killed Her.
(www.nytimes.com)
This is a most excellent place for technology news and articles.
The algorithm:
isSafe = random();
if isSafe >.5 println ("everything is fine\n");
per the article, it's rather better than that.
I admit to having grossly oversimplified things. Sorry.
I thought that would have been obvious to everyone already.