I'd turn this to police and tried to make Twitter to shut down this account.
On 7 okt 2013, at 02:48, dera...@cvs.openbsd.org wrote: > Well, at the end > of 2007 someone decided to open an impersonation account on twitter in > my name, and start sending a mix of things I have said (see wikiquote > for instance), with things that I would never say. That account is > http://twitter.com/theoderaadt
