CENTRAL ISLIP - The man accused of robbing a CVS pharmacy in Farmingville of prescription drugs appeared before a judge today and pleaded not guilty.

Police arrested 22-year-old Patrick O'Donnell, of Ronkonkoma, last night at around 10 p.m. According to investigators, O'Donnell, a LIPA meter reader, is the man behind last Sunday's robbery.

Suffolk police say O'Donnell was apprehended thanks to more than 30 tips from the public that started coming in after the release of a surveillance video from the pharmacy.

In court documents obtained by News 12 Long Island, a CVS employee says O'Donnell threatened her saying, "Give me all the oxycodone and morphine and cash. You have 30 seconds, or someone will get hurt."

Investigators say O'Donnell only had one prior charge of possession of marijuana before his arrest.

O'Donnell did not speak before the judge during his court appearance today. His attorney, Rudolph Migliore, pleaded not guilty on his behalf to a felony robbery charge.

The judge ordered O'Donnell held on $200,000 bail or $400,000 bond.

The district attorney's office says it plans to present O'Donnell's case to a grand jury next Tuesday.

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