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Former Macau lawmaker jailed 12.5 years in landmark national security trial

Macau's Court of First Instance has convicted former legislator Au Kam San of subversion and breaching state secrecy laws in what marks the city's first trial under national security legislation.

LSN Malaysia · 6 November 2026

Former Macau lawmaker jailed 12.5 years in landmark national security trial

The conviction represents a significant development in Macau's application of national security laws, with Au Kam San found guilty of multiple charges including subversion of state power and collaborating with foreign groups or individuals in activities that threatened national security.

The Court of First Instance handed down the 12.5-year sentence following the trial, which centred on allegations that the former lawmaker had engaged in activities deemed to undermine state security. Au Kam San was also convicted of breaching secrecy laws in connection with the case.

The trial underscores Macau's implementation of national security provisions and their application to high-profile political figures. Au Kam San's previous role in the city's legislative assembly adds particular prominence to the proceedings, which observers view as establishing precedent for how such charges will be pursued and adjudicated in the Special Administrative Region.

The case follows broader efforts across greater China to enforce national security legislation, with legal experts noting that the trial's outcomes may influence future prosecutions involving similar allegations. Au Kam San's conviction is expected to be subject to potential appeals through Macau's judicial system.