Quotation marks would only have to be used on thoughts if the<br />thoughts were someone else's. If the thoughts came from a book, computer source, or some other source, then quotation marks should be used. However, the writer of the essay does not have to quote his or her <i>own</i> thoughts.
As of 2011, there are at least 25,000 sworn (and armed) law enforcement officers working for federal agencies not traditionally associated with law enforcement, and 3,800 of them were specifically criminal investigators.
The local police enforce city ordinances and the laws of the specific town or city but are limited by specific jurisdictions. Johnson and Olschansky (2010) assert, âWithin the USA there are 49 state police or state highway patrol agencies which together employ more than 56,000 sworn officersâ¦â (p. 119).