Brian Mancini

WIA, open head wound giving access to the brain

https://www.cbsnews.com/news/brian-mancini-brain-how-ieds-may-be-physically-causing-ptsd/

His charity deals with wounded warriors.

Was under close surveillance, which got hostile when burned

Believed they had infiltrated operatives into his charity.

Believed they were on his phone and utilizing tech

Two board members on his Charity have ties to Banner

Jared Lee Loughner grew up a few miles from Banner and reportedly was sent for psychological treatment by his parents

Finally Mancini committed suicide, supposedly

I'm 99% sure this was at least Cabal running his surveillance, but I don't want to impugn anyone innocent, so it might pay to withhold judgements on individuals until Q or somebody on his team either calls this as warm or cold.