It's posturing. He was trying to pay someone off while making a threat at the same time.
Payed off anyways but at the same time negotiated a discount and scared the guy into not trying it again.
This is corroborated by the fact that the FBI knew the name, date and city yet couldn't match it up to a real body.
http://www.baltimoresun.com/news/maryland/crime/blog/bs-md-s...