Israeli officials are reviewing unverified intelligence suggesting a possible Iranian connection to the killing of Prof. Nuno Loureiro, a senior MIT nuclear scientist who was shot and killed at his home in Brookline, Massachusetts.

U.S. authorities have not confirmed any such link and say the investigation remains open, with no suspects, motive, or signs of forced entry identified so far.

Loureiro, a 47-year-old Portuguese-born expert in plasma and nuclear fusion research, was internationally renowned and had publicly expressed support for Israel.

Officials on both sides stress there is currently no evidence tying the murder to a state-sponsored or intelligence operation, despite the sensitive nature of his work, the Jerusalem Post has reported.

His death has shocked the academic community, while law enforcement urges caution amid widespread speculation circulating online and in the media.