The 74-year-old 'Black Widow' killer who murdered her lovers with cyanide
https://edition.cnn.com/2021/09/25/asia/japan-black-widow-killer-intl-hnk-dst/index.html
One of the risks we should know about matchmaking agencies would be that there is a man or woman who wants to get assets and savings of his/her partner(s). It is likely to happen when there is no common acquaintance between them. So, it would be safer to conceal assets and savings, and to have common friends if possible.
