The potential DNA evidence has been recovered from a water bottle believed to have been dropped by the masked gunman as he fled from shooting Thompson outside the Hilton hotel in Midtown, as well as bullets from the scene, sources said.

A Starbucks coffee cup from the shooter is also being processed for DNA evidence, according to sources.

Follow along with The Post’s live updates on the news surrounding Brian Thompson’s murder.

The manhunt for the shooter — which entered its third day Friday — has involved investigators tracking his movements across New York City going back to his apparent arrival on Nov. 24 on a bus from Atlanta pulling into Port Authority.

All places that investigators confirmed the suspect visited have been combed for DNA evidence and fingerprints, including the Upper West Side hostel room where he stayed, sources said.

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