A man, allegedly enraged over the suffering of Palestinians in Gaza, was sentenced to over three years in prison on Monday after sending more than 40 letters threatening violence to Jewish museums, organizations, and even a Jewish deli. 

Clift Seferlis was sentenced to 37 months in federal prison for sending over 40 threatening 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. In many of Seferlis’s letters, he threatened acts of violence against Jewish people, saying he would destroy buildings and injure people, according to the Department of Justice.