I have completed my Bachelor of science (BSc) in Criminology and Police Science from Mawlana Bhashani Science and Technology University,Bangladesh. Now i am trying to admitted in higher degree like MA or MS in related subject like Criminology, Criminal justice.I am going to take IELTS exam in the next month and do not give GRE, TOFEL or such exam. I am interested to study in USA, Canada, Australia, New Zealand, UK and other European countries. Is GRE or TOFEL is essential for my subject's post graduation in USA or other countries i mentioned? Do i able to get assistant-ship or scholarship in my subject without GRE and only by IELTS score? Which universities provide such admission and financial aid in spring 2014? Please give me the correct information.