It was from A middle eastern man with poor English . Telling me that we needed to contact him and if we didn't it would be an attempt to avoid prosecution by a grand jury and enforcement action would be taken he advised us to cooperate with him and help him to help us . 100% Scam
On 4/29/16 "James Castin" left message (repeated 3 times) about a US Treasury collection action against "you" (I was not named in his message), and requested that I call him back, at the same number appearing on Caller-ID, so he could help me to avoid judicial actions. "James" read his script slowly, and all three repetitions were identical (obviously a recording). Caller-ID came up "Jewett TX".