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Marconi Electronic Systems controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. GEC-Marconi scientist deaths conspiracy theory

    A separate subject associated with the Marconi defence businesses concerns claims about a series of unexplained deaths involving more than 25 defence employees from the early 1980s onward. The subject is commonly described as a conspiracy theory; the available reference does not establish that the deaths resulted from a coordinated operation or wrongdoing by MES.