So, instead of talking about stranger danger, she suggests talking to kids about strange behaviour instead “because children are most often abused or hurt by people they know, whether it’s a close family member or acquaintance, it’s very rarely a stranger”.
Article source: https://www.huffingtonpost.co.uk/entry/stranger-danger-outdated-what-to-say-to-kids-instead_uk_636b76f6e4b04925c892caef