Clift Seferlis, Mailing Threatening Communications, Maryland 2026

A Maryland man was sentenced to 37 months in prison for mailing threatening communications to Jewish institutions in Maryland.

Clift Seferlis, 55, of Garrett Park, Maryland, was sentenced on no specific date given by United States District Court Judge Mark A. Kearney for mailing threatening communications targeting Jewish institutions and organizations.

According to court documents, Seferlis previously pleaded guilty to 17 counts of mailing threatening communications and eight counts of obstructing the free exercise of religious beliefs arising from threats sent to Jewish organizations and entities.

As admitted in court filings, from at least March 2024 through at least June 2025, the defendant used the United States mail to send at least 40 letters and two postcards to more than 25 Jewish institutions and organizations, including synagogues, Jewish museums, community centers, schools, nonprofit organizations, and a Jewish delicatessen located in multiple jurisdictions.

Many of these written communications threatened to destroy physical buildings and/or injure individuals.

The case was investigated by the Federal Bureau of Investigation, including FBI Philadelphia and FBI Baltimore, and the United States Postal Inspection Service, with assistance from additional law enforcement partners.

The case is being prosecuted by Assistant U.S. Attorney Mark Dubnoff for the Eastern District of Pennsylvania and Trial Attorney Taylor Payne of the Justice Department’s Civil Rights Division.

Seferlis will also serve 3 years supervised release and pay a $40,000 fine, as well as a $2,200 special assessment.

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