Over the span of the Covid-19 pandemic, more than eighteen million cases have been reported worldwide and the virus continues to affect populations globally. While attempting to adapt to the rapidly changing environment, groups have been taking advantage of the new social context that the pandemic created. Criminals, for instance, gained an opportunity to maximize profits. With a qualitative lens, and knowledge derived from secondary sources, the paper depicts the evolving global and Bangladeshi criminal landscape during the 21st century. During the pandemic, sudden social change, unemployment and limited resources plunged people into a cycle of misery. The new environment affected traditional crime patterns, and new types of crimes emerged. The paper emphasizes on how the pandemic expanded criminal opportunities in Bangladesh and worldwide.