They were wearing uniforms, I watched the video. Badges were not clearly visible in the video, but they certainly had uniforms.
No-one in the banner image of this article has a uniform? Is it too much to ask to be uniformed while acting in this capacity? There doesn't seem to be a need for subterfuge, they just don't want the bad optics.
I don't think, given the facts I currently have, that claiming he didn't know they were real ICE agents is going to hold much water.
Two NYPD officers were present, Landers' security detail. They weren't there to effect or assist with the arrest.