BBC Verify examines the expanding network of Flock cameras in the US and the backlash against it.

As of August, the number forced to return this year from Pakistan and Iran had reached another million.

The firm's Hong Kong listing on Tuesday comes after a years-long quest to sell shares in New York and London.

BBC presenter Anoushka Mutanda-Dougherty describes what it was like when Duane "Keffe D" Davis was found guilty of murdering the famous rapper.