Same recording as 540-235-8979; fake IRS with statement that a warrant for your arrest has been executed, your property is currently under surveillance, and their agents will get your dog pregnant (collection of vague but omnious threats), all done in a computer-generated female voice.
Fake IRS call stating that a warrant for your arrest has been executed, your property is currently under surveillance. This was followed 2 hours later by a follow-up call.