As far as i can see no "official" report has even mentioned that him being gay has anything to do with it. Granted, i'm not following it as closely as you are, i actually only read the article you posted. Seems from that no one has labeled it as a hate crime of any type.
A tragedy indeed, but lets not jump to him dying due to being gay.
"Government is the great fiction, through which everybody endeavors to live at the expense of everybody else." — Frédéric Bastiat