The issue focused on how police officers deal with protests when police officers feel threatened or anxious.How does an officer decide whether to respond to a protest or not?After being interviewed by BBC Scotland's Crimewatch programme, Det Insp Ian Matthews said he thought there were three basic answers to this question: "First of all the officer must feel safe and secure and secondly it must be reasonable for them to believe that if they put themselves in that situation they could end up having to deal with it themselves."At this stage