In April 2007, 30 years after the assassination, Siegfried Buback's violent death became the subject of public discussion again when Michael Buback was contacted by former RAF member Peter-Jürgen Boock.
In April 2007, 30 years after the killing, Siegfried Buback's violent passing brought renewed public interest when Michael Buback was reached out to by an ex-RAF member, Peter-Jürgen Boock.