Red Son's Pravda Blog
Some celebrity gossip sites are reporting that Rihanna gave Chris Brown herpes which led to the fight. Speculation is that she cheated on him (by some accounts with a very married-to-Beyonce-Knowles Jay-Z) and contracted herpes which she then passed on to him.
Answer
There has been no confirmation as of yet. There has been countless data collected, including pictures of his trade hand sign to him leaving a Masonic temple in Canada. This can only be confirmed if a lodge is known. Most lodges do not give out information about their members to the public for common privacy.