In Detroit, many drug users such as heroin and opioid pills have been surveyed about their daily life. The surveys showed that they had a daily routine and wanted a sense of secruity. This poises a threat for other residences of detriot because of the massive drug use that has and is going on. 

https://journals.sagepub.com/doi/abs/10.1177/002204261004000405

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Pain Scale - 4