Social Deviance inside NYC Homeless Shelter

Encouraged to use mixed sources (books, journals, and reliable internet sources). Wikipedia is not to be used as sources. Make sure to provide enough information.
For example the crimes inside homeless shelter are drug use ex K-2, Herion, Marijuana/overdose, alcoholism, robbery to trade what they have for drugs. Violating shelter rules for instance smoking inside the facility violating rules and policies of the shelter. Trying to enter with contraband when it is not prohibited, etc.
Also make sure to use statistics of the usage of drugs,alcholism etc homeless people use as well how many homeless people there is throughout NYC, and the amount of shelters available (if able to be located).