On Wednesday night at the Borderline Bar & Grill in Thousand Oaks, a gunman opened fire and killed 12 people including a sheriff’s sergeant. Among all the victims there was also a guy named Sean Adler and he was a Brazilian Jiu-Jitsu practitioner. Sean was BJJ student in Gracie Barra Simi Valley under instructor Andre Almeida who … Continue reading Gracie Barra BJJ Practitioner Sean Adler Killed in The Thousand Oaks Shooting