With more than 700,000 deaths per year, suicide is a serious global health problem. The Swiss incidence for suicide in 2018 was 12 per 100,000 inhabitants, which is within the cross-national mean range. Despite extensive research on risk factors, prediction of suicide remains difficult. A past suicide attempt is one of the greatest risk factors for subsequent suicide attempts. One focus of our studies is the investigation of the suicide-specific intervention «the Attempted Suicide Short Intervention Program (ASSIP)».