On Friday 22 July, CCTV images of four suspects wanted in connection with the bombings were released.
Disclosure of CCTV images must be controlled and consistent with the system's intended purpose.
CCTV image was taken with a man with a black hooded jacket with a big tiger logo on the rear.
In CCTV images both men could be seen calmly browsing in shops for food or clothes.
The force has now released 32 CCTV images.
CCTV images from the car fire showed a column of smoke rising into the air and a loud bang as crowds gathered.
Key images from the day of the explosions, from CCTV images of the bombers to mobile phone pictures taken inside the tube.
The show concentrates on Police procedure and blends documentary camera technique with CCTV images.
In fact, the culprit, an individual, was identified from CCTV images and arrested.
Police release a CCTV image of a two women who came to the aid of a rape victim in Ferndown.