Singapore denies there were any illegal transfers of technology between IME and Huawei . Montana senators aim to stop the Singapore government after U.S. employee 's death . Research engineer John Todd was found hanged in his apartment last June . The coroner ruled it a suicide , but Todd 's family says his death was suspicious . Todd was working on semiconductor material Gallium oxide , which has military uses .
Montana senators aim to stop the Singapore government after U.S. employee 's death . Research engineer John Todd was found hanged in his apartment last June . The coroner ruled it a suicide , but Todd 's family says his death was suspicious . Todd was working on semiconductor material Gallium oxide , which has military uses .