Cops in Somerville, MA: "It would endanger the public to tell you what guns we have"

Michael from Muckrock sez, "Want to know what guns your neighbor has? Generally public record. What guns your government has? That's top secret. A recent public records request for the armaments of a local police department in Somerville, MA., was met with a surprising response: Releasing a list of guns the department held 'is likely to jeopardize public safety,' and so is exempt from public disclosure. Maybe they're arming up for an insurrection?