1.   He has spent years photographing the trade, sometimes with concealed cameras.

2.   Kallstrom said that although the FBI used concealed cameras to tape the discussions in the Portofino, none of the hijackings were planned there.

3.   They went undercover with concealed cameras in an effort to show that Food Lion stores sold spoiled meat.

4.   They went undercover with concealed cameras in an effort to show that the grocery store company sold spoiled meat.

5.   Every moment of his life has been filmed by concealed cameras and broadcast to a worldwide audience.

6.   The footage was shot by a concealed camera for a private television channel.

7.   The pictures supposedly were taken by a concealed camera installed by her husband.

8.   That trip resulted in a BBC documentary on Chinese organ-trafficking that included video Wu taped with a concealed camera.