Found: Relentless Charnel House publication date

March 11, 2012

The Charnel House editions of Relentless were released in 2009. Can anyone supply a more specific date(s)?
Update 12/27/12:
According to Joe @ Charnel House the release date for this title was the Summer of 2010. He was unable to be more specific but considering he was the publisher I’m going to mark this as a “found”.