This is a trailer for a documentary about the fear of terrorism and the militarisation of the US police. There's a memorable shot near the end which seems to tell the whole story: a heavily armoured ex-military vehicle designed for counter-insurgency operations in Iraq drives down a suburban US street, with the house in the foreground featuring a children's playground and the iconic white picket fence.

Do Not Resist was named best documentary at the 2016 Tribeca Film Festival.

(H/t Slashfilm.)