The phrase "surveillance footage" refers to videos that are taken by cameras to monitor and record activities in a specific area, like a store, office, or public space. Full definition
Local authorities are currently investigating surveillance footage of the incidents in hopes of finding suspects. (fortune.com)
He watches surveillance footage showing a man checking out the bank repeatedly in the days leading up to the robbery. (law.stackexchange.com)
Since it is impossible to know how long video surveillance footage will be available, you should call a premises liability lawyer as quickly as possible after an accident. (mcarthurlawfirm.com)