After an oil boom in North Dakota, trains are moving more oil than ever. Derailments and explosions have prompted emergency responders to call for more information about oil train traffic but railroad companies mostly have refused, saying that releasing the data would put them at a competitive disadvantage.
In the wake of the events in Ferguson, Missouri, more than 7,000 police agencies around the country have purchased body cameras with the help of federal grants. Reveal takes a look inside the camera, at the evidence trail left behind. Because where there are a lot of video cameras, there’s a lot of information – and money.