Endangered species around the world are in danger of extinction from poaching. From the start of the 20th century, the African rhino population has dropped over 98% [4] and the global tiger population has dropped over 95% [5], resulting in multiple species extinctions in both groups. Species extinctions have negative consequences on local ecosystems, economies, and communities. To protect these...

Home security is refers to crimes prevention such as burglaries and kidnapping. As a preventive measure, a resident may install an ip camera but this method is quite costly because the resident needs to buy a personal computer, router, and software. Furthermore, this method also only benefit to the resident but not to the other neighborhoods. Consequently, the crime prevention in residential ar...

All kinds of illegal trafficking, prostitution, pornography, gambling, fraud and counterfeiting, computer crime, corruption, piracy, immigration many other criminal activities can pose a threat to national even international security if conducted by larger groups or organizations. The phenomenon organized crime has acquired transnational character due the increasing globalization financial mark...

When crimes occur-when a ghetto teenager is shot to death in a gang war, when an elderly woman is mugged for her social security check, when a nurse is raped in a hospital parking lot, when one driver is punched by another in a dispute over a parking place, when a black family's new home is vandalizedsociety's attention is naturally focused on the victims and their material losses. Their wounds...