反侦查行为的普遍性和活力对抗性贩毒案件中反侦查行为是普遍存在的。这种存在,直接导致贩毒案件侦查的发现难、经营难、控制难、查获难、追赃难、审讯难、起诉难。反侦查行为是以侦查行为的存在为前提,并因侦查行为的变化而变化的。反侦查行为的存在,必然引起侦查行为的调整和发展。侦查行为与反侦查行为相互映射、相互制约、相互抗衡、相互促进,其中任何一种行 The universality and vitality of anti-investigation activities Anti-investigation acts in counter-trafficking cases are ubiquitous. This kind of existence directly leads to the discovery of drug trafficking cases that are difficult to find, difficult to operate, difficult to control, seized, difficult to tackle stolen goods, difficult to trial and difficult to prosecute. Anti-reconnaissance behavior is based on the existence of investigative acts as a precondition, and changes due to changes in investigative behavior. The existence of anti-investigation acts inevitably leads to the adjustment and development of investigation acts. Investigation and anti-investigation act are inter-mapping, mutual restraint, mutual antagonism and mutual promotion, any one of them