I'm no lawyer, but I believe that you give up a certain amount of privacy when you bring things into or take things out of your employer's place of business.
In what area would an employee almost always have a reasonable expectation of privacy?
A: Employees most likely have a reasonable expectation of privacy in their cars, briefcases, backpacks, purses, pockets, and other items which hold personal belongings as well as work-related materials.
http://www.weac.org/news_and_publications/education_news/2003-2004/search_guidelines.aspxI remember this because while I was going to Pyle, the school district got dragged over the coals because they searched a student's backpack inside of his locker (little punk got suspended for bringing listerene - he was sleeping over at a friends house)
