Dark Knight Rises killings in Aurora

[Kriven]

In this case, the guy might have resorted to using explosives to kill, which would most likely have resulted in even more deaths.

oh yeah, didn't he rig his apartment with explosives and had everyone in the building evacuated?

His apartment is set to blow at the slightest awkward touch, and has not yet been disarmed. The entire building has been evacuated for quite a while now.