How could this be implemented in the US?

It could not be done the way Singapore did it. Singapore abolished jury trials through ordinary amendments to its Criminal Procedure Code (limiting them in 1959–60 and eliminating them entirely by 1969–70). That was possible because Singapore had no entrenched constitutional right to a jury and the ruling party controlled Parliament.<grok:render card_id="e7e05f" card_type="citation_card" type="render_inline_citation"><argument name="citation_id">67</argument></grok:render> The United States is f...