What Was All That NYPD/FDNY Helicopter And Boat Action Last Night In East River By Northern Part Of Roosevelt Island About?

The Roosevelt Island Twitterverse asked last night?

@Rooseveltisland Any idea what all the NYPD/ FDNY activity is about on the North end in the East River tonight? I thought something happened on FDR? Water patrols and chopper earlier.

Mary Kay Makanjuola (@themakastyle) August 2, 2020

Something going on in the #eastriver. Searching for someone or something. @NY1 @NBCNewYork @ABC7NY pic.twitter.com/IAbYKG1VSy

Ricky Thackray (@osuricky) August 2, 2020

And the Roosevelt Island Twitterverse finds the answer.

pic.twitter.com/HAPbup6vp5

Michele Anjos (@anjosmi) August 2, 2020