The outgoing executive director of the Office of Homeland Security Statistics is one of very few federal officials to speak out against the Trump administration’s immigration crackdown.

Bystander footage captured the moments before the killing of 37-year-old Minneapolis man Alex Pretti by federal immigration officers. His death on Saturday happened less than three weeks after Renee Good was shot dead by an immigration agent in the city. BBC Verify has analysed footage of the shooting from multiple angles, piecing together a detailed picture of what happened. Ros Atkins' report contains distressing images. Subscribe here: http://bit.ly/1rbfUog For more news, analysis and features visit: www.bbc.com/news #BBCNews