Alan Cassidy of Abigail Williams filled in for Shannon 's touring duties .
On November 7 , Shannon Lucas announced via a YouTube video that he would be stepping down as drummer of The Black Dahlia Murder to pursue other aspirations .
Alan Cassidy of Abigail Williams filled in for Shannon Lucas 's touring duties .
On November 7 , Shannon Lucas announced via a YouTube video that he would be stepping down as drummer of The Black Dahlia Murder to pursue other aspirations .