'My Brother's Killer' Marc Rabins Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Filmmaker Rachel Mason - who previously documented her parents' West Hollywood adult-bookstore business in 2020's Circus of Books - returns to that world with My Brother's Killer, premiering this week at SXSW. But as Mason and her editor-producer Dion Labriola delved into a 1990s homicide within L.A.