Or not destroy the hard-drives, merely steal them for 'evidence'. Or perhaps sue the harddrives for some crime.
For those not in the know, in the US this is actually a valid legal avenue for asset forfeiture. The term is "in rem jurisdiction". IANAL, and I wonder exactly what defense there is against all of one's hardware being sued (since my impression is that the owner lacks standing).
http://en.wikipedia.org/wiki/United_States_v._$124,700_in_U....