While I appreciate that this is a big loss, my first thought was, why was 20 years' worth of research put in a place where any passing janitor (or, presumably,

While I appreciate that this is a big loss, my first thought was, why was 20 years' worth of research put in a place where any passing janitor (or, presumably, anybody else) could wreck it? The only surprise was that it took "2 decades" for this to happen.