Immigration and Customs Enforcement detainees at a jail in Newark, New Jersey have been fed spoiled food and subjected to deteriorating conditions, according to a report released last week by the Department of Homeland Security Inspector General.

One question we get asked a lot here at MuckRock is what to do in situations where an agency claims it has no responsive records when the requester knows the records exist. It comes up with frustrating frequency, we’ve found that the root cause is often one of the five following factors.