Between the 23rd and 28 May 1990, CNRM held an extraordinary meeting for the purposes of restructuring the entire resistance movement. It was during this conference that Gusmão officially resigned from the FRETILIN party, whilst remaining Commander-in-Chief of FALINTIL and the president of CNRM. This meeting also saw the formation of the Clandestine Front, which came about from the recognition that FALINTIL, the armed resistance, had been significantly weakened by many years of guerrilla activity against the Indonesian military. The formation of the Clandestine Front was a strategy to organise the population against the occupying Indonesian forces. These events saw an upsurge in activity against the unified resistance movement by the occupying forces, which saw many resistance leaders flee to the mountains or overseas, and led to the arrest of Gusmão on 20 November 1992. Ma'Huno, a member of FRETILIN's steering committee, became the leader of the resistance only to be arrested himself on 5 April 1993. Nino Konis Santana replaced the arrested Ma'Huno as leader on 25 April 1993 and by September all factions of the resistance accepted Santana as leader of the overall movement. Taur Matan Ruak was appointed commander of FALINTIL. Under Santana's leadership the restructuring started by Gusmão was further reinforced under the CNRM umbrella with Santana as leader of the Executive Council of "the Struggle", Ruak in charge of FALINTIL, and a man called Sabalae ((i.e. Pedro Nunes – Keri Laran Sabalae)) taking charge of the Clandestine Front.