Not only that, but they also doxxed him, publishing a photo with his full address to Twitter.
As part of an aggressive campaign, the NYPD is arresting everyone they see with a so called "gravity-knife" and seize the assets of the individual carrying the said weapon. This is all part of the NYPD’s civil forfeiture program.
Assets seized under forfeiture regimes are essentially guilty until proven innocent; even if the charge goes away, the headache of recovering the seized cash likely won’t. -NYC Voice
What's worse, is that in NYC, any folding knife is considered a "Gravity Knife" - so any building contractors, sailors, outdoor enthusiasts, or self-defense folks BEWARE. Also, if you're buying cryptocurrency from say LocalBitcoins, don't carry cash, period.
In NYC, constitutional rights are a dream, not a reality. Stay safe out there!