The surging number of immigrants in developed countries from non-developed countries or regions is very high. Therefore, the risk of the proliferation of money laundering and terrorism in developed countries with the rising nexus of immigrants' can not be ignored. I find absence or minimal literature available, which deals with immigrants' nexus in the said crimes. To me, it is better to contribute through proposed research and highlight immigrants' linkages of financial crime and terrorism in developed countries. The hybrid research approach would be followed as a primary approach. The research proposal would address challenges regarding immigrants' involvement in these crimes.This nexus of immigrants leaves a far-reaching impact and needs countermeasures to be introduced. Believing the research proposal would pave the way for future researchers to identify gaps, solve future challenges. It would contribute to introducing new countermeasures and policies.