There is a full range of safeguards in place to protect people who are vulnerable and have mental health problems.  This includes home visits, encouragement from a support worker being present and pre-interview contact with the ESA advisers, so people completely understand the process.  There can be times when mandatory intervention is the best option but, in most cases, those with the most severe conditions will be in the Support group and not required to attend WFIs.  ESA advisers can also defer interviews where the person cannot attend or take part for those with changing or fluctuating conditions.