He was a homegrown terrorist who was either a homophobe or perhaps a self-loathing denier. This situation has nothing to do with religion.
I donated double red cells on Friday, and I like to think that if my donation wasn't put to good use in my area, then perhaps it was sent to Orlando for use after that mass carnage. I am O+ so my blood is useful for almost everyone (except for the rarer O- people).
For today, I am gay in solidarity with my slain and wounded brethren and sisters.