Isis/jihadists usually take credit. I’m guessing ex-military left wing nut job.
we have no idea what credit has been taken.
West fertilizer plant.
Intentional per Fed investigation.
Perp is swelled with pride not getting caught. *all leads led to a dead end on that one*
Tick tock
Perp is bored and needs attention.
Smaller scale, but perp’s ego is busting at the seams.
Just a perspective.