A Charlotte County man is back behind bars after authorities say he posted a death threat online targeting U.S. Rep. Byron Donalds just hours after the congressman received a major political endorsement.
Dominic Ambrosia, 30, of Port Charlotte, was arrested last week and faces charges of intimidation by a written or electronic threat to kill or injure, alongside a charge of failing to register as a convicted felon. He is currently being held without bond at the Charlotte County Jail.
According to Charlotte County court records, the investigation began after a post appeared on the social media platform X on May 26. The comment was left directly under a post by Donalds, a Republican representing Florida’s 19th Congressional District, who had shared Donald Trump’s endorsement of his 2026 gubernatorial run.
“I’m going to kill him! Thanks Mr. President,” the post read.
Law enforcement officers flagged the account and immediately notified Donalds’ security team. Court documents show the congressman chose to pursue charges once he was informed of the statement.
Investigators traced the social media profile to Ambrosia by obtaining account records from X, which linked the profile to his personal phone number. Detectives noted that a review of the account’s history revealed other posts expressing strong opposition to Donalds’ campaign for governor, as well as multiple reposts containing racial slurs aimed at Black Americans.
On May 27, authorities located Ambrosia at a Port Charlotte property where he was living in a travel trailer parked behind a home. Detectives spoke with Ambrosia and received permission to search the trailer.
A background check revealed Ambrosia has a recent criminal history, including an arrest last year for aggravated stalking involving a neighbor. In that case, he was accused of damaging a neighbor’s car and mailbox, and threatening to shoot their dog. Records show he served approximately 300 days in the Pinellas County Jail for those offenses and was released just over a month ago.
Before his stint in jail, Ambrosia had been the subject of an official threat assessment investigation, which authorities suspended while he was incarcerated. Court filings also noted that while he was in custody for the previous charges, Ambrosia denied having any mental illness and refused to take prescribed medication.
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