当自己的合法权益遭到犯罪分子的不法侵害时,人们往往想到的是向公安机关报案。但是由于各方面的原因,报案可能不被公安机关受理,出现报案无人理的情况。一些被害人因此觉得投诉无门而作出过激行为,甚至酿成了悲剧。那么,在报案不被公安机关受理的情况下,如何通过其他合法途径来维护自己的合法权益呢? When their legitimate rights and interests have been unlawfully infringed by criminals, people often think of reporting to public security organs. However, due to various reasons, the report may not be accepted by public security organs, there has been no case report. Some victims therefore felt that the complaints were unmanaged and they made radical acts and even led to tragedies. So, in case the report is not accepted by the public security organs, how to safeguard their legitimate rights and interests through other legal channels?