According to Hallcrest II, North American incidents of terrorism represent what
percentage of worldwide incidents?
According to Hallcrest I, the common ground for interaction between law enforcement
and private resources is:
According to the Hallcrest I study, published in 1985, employees in various facets
of private security in the United States number about:
A valid arrest must contain the following elements:
For a search with voluntary consent to be valid, the person being searched must: