本文指出,随着社会的进步,经济的发展,嫌疑人作案日趋职业化、专业化和智能化,反侦查意识不断加强,戴手套作案较多,现场提取的手印较少。而现场足迹分析检验技术和视频侦查技术已成为当前公安侦查破案的重要手段,发挥着不可估量的作用。 This paper points out that with the progress of society and economy, suspects committing crimes become more professional, specialized and intelligent, anti-reconnaissance awareness is continuously strengthened, more gloves are worn and less fingerprints are taken on-site. However, the on-the-spot footprint analysis and detection technology and video detection technology have become an important means of investigation and detection of public security, playing an inestimable role.