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This paper aims to explain the effects of immigration on the overall crime rate and in the six most significant categories of crime in Saudi Arabia, being drugs activity, theft, murder, assault, alcohol and outrageous issues, during a ten-year period from 2003 to 2012, in all thirteen administrative provinces, as well as establish the provinces most affected by criminal activities of immigrants during this period. In our finding, no positive association between immigrants and criminal cases was noted. It is clearly visible that the highest rate of overall criminal activities is in the south, north and Makkah areas, where there is high probability of illegal immigrants, supporting the basic criminological theory that areas with high levels of immigrants also experience high rates of crime. The study provides suggestions to the Saudi government, policy and decision makers, and immigration authorities, which could assist in reducing crimes perpetrated by immigrants.

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Abstract:Urban area expansion is one of the most critical types of worldwide change, and most urban areas are experiencing increased growth in population and infrastructure development. Urban change leads to many changes in the daily activities of people living within an affected area. Many studies have suggested that urbanization and crime are related. However, they focused particularly on land uses, types of land use, and urban forms, such as the physical features of neighbourhoods, roads, shopping centres, and bus stations. Understanding the correlation between urban area expansion and crime is very important for criminologists and urban planning decision-makers. In this study, we have used satellite images to measure urban expansion over a 10-year period and tested the correlations between these expansions and the number of criminal activities within these specific areas. The results show that there is a measurable relationship between urban expansion and criminal activities. Our findings support the crime opportunity theory as one possibility, which suggests that population density and crime are conceptually related. We found the correlations are stronger where there has been greater urban growth. Many other factors that may affect crime rate are not included in this paper, such as information on the spatial details of the population, city planning, economic considerations, the distance from the city centre, neighbourhood quality, and police numbers. However, this study will be of particular interest to those who aim to use remote sensing to study patterns of crime.