For this week’s FOIA round-up, the Federal Bureau of Investigation claims it can withhold footage of a dark web bust it had already made public, Secret Service records show a five-figure bill for a First Family visit to a Trump International Hotel in Canada, and a rare indictment for violating public records laws gets handed down in Texas.

After flooding from Hurricane Harvey caused chemical fires at the Arkema Chemical Plant in Crosby, Texas local officials tried to downplay the explosions, as well as the noxious nature of the plume of smoke coming from the facility - even after ten deputies were sent to the hospital after inhaling it. Just a few months prior, Environmental Protection Agency head Scott Pruitt nixed new safety regulations for chemical plants, thanks to the support of Texas lawmakers and Governor Greg Abbott.

MuckRock has been filing requests around long range acoustic devices in an effort to learn about policies, usage, the variety of different devices, and the price tags involved with these high powered sound cannons. So far, we have managed to get some particularly illuminating material from Chicago, Houston, and the Massachusetts State Police.

We’ve filed requests with privately-run prisons and immigration detention centers in Harvey’s path to find out how they weathered the storm.