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Modern society has recently had problems with a variety of crimes. Surveillance cameras have been installed in various locations to protect assets from these crimes. When the incident occurred, it is needed to manually find out suspicious people in a large number of footage. Manually extracting prowlers is inefficient in which a lot of surveillance cameras have been installed and have taken a large number of people. Many methods to extract prowler have been proposed. One of the methods, it must give people special devices in advance. The other methods, it does not work without around people in order to extract suspicious behavior compared to around people. To solve the problems, we proposed a method acquiring data of bony framework from the footage using distance sensor to extract suspicious behavior depending on state of each joint. Therefore, it can practically detect suspicious person than those and does not need to give special device. In experimental result, distance errors when mounting distance sensors and cost of mounting are described. [ABSTRACT FROM PUBLISHER]