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.
Investigators, Police Officers, Secret Service, FBI, CIA, Special Agents, Prison Guards, and Others. Federal law enforcement jobs are available in most federal agencies. However, the largest numbers are employed by Homeland Security, the Justice, Treasury, and Defense Departments. There are law enforcement jobs available nationwide and overseas.