The Sudanese National Intelligence and Security Service (NISS) launched a heavy-handed campaign in mid-June 2012, arresting thousands of protesters, activists, political party members and leaders and even law-abiding citizens from protest sites, universities, public places and in many cases people’s homes, following anti-regime protests. 
Shirika la Ujasusi na Usalama wa Taifa la Sudani (NISS) lilijimwaga mitaani na kuendesha kampeni kubwa ya kamatakamata, ambapo liliwakamata maelfu ya waandamanaji, wanaharakati, wanachama wa vyama vya upinzani vya kisiasa na viongozi na hata raia wanaoitii sheria waliokutwa maeneo ya maandamano, vyuo vikuu, maeneo ya umma na hata kwenye nyumba za watu, kufuatia maandamano ya kupinga utawala ulio madarakani yaliyoanza katikati ya mwezi Juni.