Nope - look at the central park bird watcher/dog incident or the SA aids lady as you mention - both of them I guess had a social media presence, but it was along the lines of 50 followers, probably just the people they were friends with in real life.

But also being in a gang doesn't even protect you. Lots of intragang cancellations, if the gang seems you to hold the wrong values for the gang. Eg Lena dunham