"take all necessary measures to strengthen the safety of journalists and other media actors, to stop any harassment (including of a judicial, administrative or financial nature) against them and put an end to impunity for attacks against them, notably by conducting effective investigations into killings and other offences against their physical integrity; in this respect, member States of the Council of Europe should implement the guidelines set out in the appendix to Committee of Ministers Recommendation CM/Rec(2016)4 on the protection of journalism and safety of journalists and other media actors;".