Using AI, and Film, to Track Tear Gas Use Against Civilians
Filmmaker Laura Poitras’ Oscar-winning documentary Citizenfour centers on the pale, calm face of National Security Agency leaker Edward Snowden holed up in a plain Hong Kong hotel room. Her latest star is even more impassive—an aluminum tear gas grenade—but seen amid surreal pulsating color.The 10-minute short, Triple Chaser, is named for that tear gas canister,…