Florida Dentist Sentenced for Threatening Public Figures and an Election Official

A Florida dentist was sentenced yesterday to two years in prison for threatening public figures, an election official, and others between 2019 and 2024.

According to court documents, from September 2019 to July 2020, Richard Glenn Kantwill, 61, of Tampa, sent over 100 threats via Facebook and Instagram messages, email, and text to various public figures based on their political commentary. As charged in the superseding information, those communications included threats to an author, a religious figure, and a television personality. Kantwill also sent at least seven additional threats to four public figures via Facebook from April 2022 to April 2024, including a threat to an election official in another state in February 2024.

Kantwill pleaded guilty in November 2024 to four counts of interstate transmission of a threat.

Supervisory Official Antoinette T. Bacon of the Justice Department’s Criminal Division, Acting U.S. Attorney Sara C. Sweeney for the Middle District of Florida, and Special Agent in Charge Matthew Fodor of the FBI Tampa Field Office made the announcement.

The FBI investigated the case.

Trial Attorney Aaron L. Jennen of the Criminal Division’s Public Integrity Section and Assistant U.S. Attorney Abigail K. King for the Middle District of Florida prosecuted the case, with assistance from the U.S. Attorney’s Office for the District of Colorado.