On 3 March 2013, four men were arrested at Yamna village in Sarmi district. Upon their arrest Isak Demetouw (alias Alex Makabori) and Daniel Norotouw from Jayapura, and Niko Sasomar and Sileman Teno from Sarmi were allegedly found with weapons and TPN/OPM documents. They were charged with possession of weapons and conspiracy to commit violence in Sarmi and Jayapura districts under Article 110 of the Indonesian Criminal Code and Article 2 of the Emergency Law 12/1951.  According to the four men, they were arrested following an event they held to organise and inform the community about the forthcoming 1 May commemoration. Pada 3 Maret 2013, empat orang ditangkap di desa Yamna kecamatan Sarmi. Pada saat penangkapan Isak Demetouw (alias Alex Makabori) dan Daniel Norotouw dari Jayapura serta Niko Sasomar dan Sileman Teno dari Sarmi diduga ditemukan membawa senjata dan dokumen TPN/OPM. Mereka didakwa dengan kepemilikian senjata dan permufakatan jahat untuk melakukan kekerasan di kabupaten Sarmi dan Jayapura di bawah Pasal 110 KUHP dan Pasal 2 UU. Darurat 12/1951. Menurut keempatnya, mereka ditangkap setelah mengadakan sebuah acara untuk mengorganisir dan menginformasikan masyarakat tentang peringatan 1 Mei yang akan datang.