Kim Jong-un Likes Mortar Rounds to Be Used in Executions

Firing squads are so Kim Jong-Il

Since his father's sudden death, reports have surfaced that Kim Jong-un has been purging the North Korean military of "unsound elements" in order to tighten his grip on power. 

It's not a new policy; Kim Jong-il executed plenty of his father's advisors and dissenters after Kim Il-sung passed away in 1994.