The Singapore Prison Service (SPS) developed and implemented a group-based violence intervention programme called HERO in April 2019. While there were intervention programmes for violence before this, HERO was developed as an evolution of these programmes in three areas. The programme was implemented within a transformational environment (TE) which will be outlined later in the article. HERO provided renewed focus on several intervention needs such as emotion regulation, social problem solving and schemas. We began to deliver the programme in an open group structure. Core Programme: HERO The word HERO is an acronym that represents the core values of the programme – Honor, … [Read more...] about Singapore’s HERO Transformational Environment