> In January 1971, Horn was contacted by the FBI, seeking evidence involving Philip Berrigan. During the trial, they were subpoenaed to testify for the prosecution, but Horn refused to testify at the trial on the grounds that her forced testimony would threaten intellectual and academic freedom.
https://en.wikipedia.org/wiki/Zoia_Horn
> In January 1971, Horn was contacted by the FBI, seeking evidence involving Philip Berrigan. During the trial, they were subpoenaed to testify for the prosecution, but Horn refused to testify at the trial on the grounds that her forced testimony would threaten intellectual and academic freedom.