1.   At airports in Boston, Newark and suburban Washington, terrorist agents apparently passed undetected through security carrying concealed knives or box cutters.

2.   Instead, she wore black lipstick, flashed gang signs and concealed knives and brass knuckles in her baggy pants.

3.   The victim, Timothy J. Hall, faced charges of assaulting his mother and carrying a concealed knife.

4.   Hall was accused of shoving his mother during an argument and carrying a concealed knife in his car.

5.   Police arrested two people for carrying concealed knives, police spokesman Dave Cohen said.

6.   There are many well-camouflaged pitfalls and concealed long knives.