Jack Hammer

The victim in Case 1-3, Jack Hammer was a former big name action star who played the Evil Magistrate, the main villain in The Steel Samurai:  Warrior of Neo Olde Tokyo.

Name
An obvious pun off of the jackhammer, a construction tool.

Background
Five years ago, Jack Hammer was filming a scene for his next big movie, when suddenly he accidentally pushed his co-star off the steps and into a spiked fence.