When a BJJ Gym Found Out Who They'd Been Training
A video out of Queens this week is making the rounds for a reason that has nothing to do with technique, even though the technique is genuinely clean. It shows a BJJ instructor taking down a…
A video out of Queens this week is making the rounds for a reason that has nothing to do with technique, even though the technique is genuinely clean. It shows a BJJ instructor taking down a student and settling into knee-on-belly control — the kind of clip that would normally just be a nice example of positional pressure. What makes it land differently is the story behind it: the academy says the student had a documented history of harassing women, and the takedown wasn't a drill.
The footage comes from JiujitsuNYC, run by Professor Alvaro Tautiva on Northern Boulevard. According to the gym's own account, posted alongside the clip, a man had recently signed up as a student before staff learned about his past. "Unfortunately, this guy came to our academy trying to learn Jiujitsu," the post read. "Thank goodness we found out about his past and didn't make this guy dangerous by teaching him a martial art. But we did have to restrain him." Watch the clip on Instagram.
By the gym's telling, there was no obvious warning sign at first. Staff noticed something was "off" within the first couple of days but chalked it up to an unusual personality rather than anything alarming — a call plenty of coaches have made before, since most gyms would rather assume good faith than police personalities. That changed once the man began harassing women training at the academy. Once the pattern was clear, the gym says they "dealt with him rather quickly," which is what the video captures.
Why this particular clip resonates in Jiu Jitsu
BJJ sells itself, correctly, as the martial art built around control instead of damage. Anyone who has trained for more than a few months has heard some version of the pitch: you don't have to hurt someone to stop them. This clip is that pitch in action, outside the gym's normal context of sparring and belt tests. A takedown into knee-on-belly is a position, not a beating — it pins, it controls, it buys time, and it ends without anyone needing a trip to the ER. That's precisely why instructors spend years drilling it. The video is getting attention because it's a rare, real-world example of Jiu Jitsu doing the thing it always promises to do.
It's also a useful corrective to a lazier read of self-defense martial arts, which is that competence with your hands is the whole point. What actually mattered here wasn't the takedown — it was a staff that was paying attention, believed the women who came to them, and had a professor skilled enough to de-escalate a physically dangerous moment without it becoming a bigger one. The Jiu Jitsu was the last step, not the first.
The harder question underneath the clip
The more uncomfortable part of this story for the Jiu Jitsu community isn't the takedown, it's everything upstream of it. Gyms are, structurally, open doors. Most academies don't run background checks on new students, and there's no industry-wide vetting system that would catch a pattern of harassment before it shows up on your own mats. That's true of nearly every gym in the country, not just this one. It's part of why the sport has had its own uncomfortable reckonings over the years around who gets access to beginners, particularly women, in a discipline that requires physical trust from day one.
What separates a good outcome from a bad one usually isn't prevention — it's response. This academy's account describes exactly the response you'd want: women who reported what was happening were taken seriously, staff moved fast once the picture was clear, and the person capable of intervening safely did. That's a lower bar than "screen every student," but it's a bar a lot of gyms quietly fail, either because a coach doesn't want the conflict or because a paying member gets the benefit of the doubt too long.
If there's a takeaway for the average BJJ practitioner, it's not really about this one instructor's technique. It's a reminder that a gym's culture is tested in exactly this kind of moment — not by mission statements on the wall, but by whether the people at the front desk act on what a student tells them. Jiu Jitsu can teach you how to restrain someone safely. It can't teach a gym to listen. That part has to already be there.
See you on the mats.
Original report via BJJEE.