Getty

Luigi Mangione 's critical hearing in his state murder case was put on ice Friday, because the defendant's under the weather.

Judge Gregory Carro made the announcement just as court was set to begin Friday ... saying Mangione had fallen ill. The judge said the hearing will resume Monday. Play video content

We got LM's defense heading out of the courthouse -- dressed their best to impress the judge -- but they were mum as to what was ailing Luigi. Getty

Mangione's pretrial hearing in the New York state case began Monday ... with the alleged killer leaving behind the confines of MDC Brooklyn for an NYC courtroom where he was photographed chatting with his lawyers -- looking put together in a nice suit sans tie.

Prosecutors have played the body cam footage of Luig

See Full Page