Families and friends are often the ones to spot early warning signs of self-radicalisation, but fears over consequences and misunderstandings may keep them silent. SINGAPORE: There is no clear threshold for radicalisation, but the gradual and undramatic shift in a person’s behaviour is most noticeable to their family and friends, who are able to spot the change and act, said security and community experts. But some people may not sound the alarm on their loved ones, as they do not want them