1.   As I look back on it, the whole episode showed the need for tighter security screening.

2.   Critics include the panel charged with reviewing how tighter security measures might affect freedoms and civil rights.

3.   Tighter security measures are restricting our freedom of movement.

4.   A north Oxfordshire racehorse trainer has dismissed calls for tighter security at courses to crack down on race fixing.

5.   Among the changes in the reopened monument are tighter security.

6.   Among the items McLin wants to discuss is increased staff training, tighter security and perhaps having the state take over the prison.

7.   And it was not until April that the Energy Department shut down its classified computer systems to impose tighter security over their data.

8.   As Congress considers future funding of this project, a look at the Boston area snooper cases reveals the need for tighter security.

9.   Automakers believe that the network offers tighter security than the Internet.

10.   Administrators immediately began instituting tighter security on the medical school and its laboratories.