article_snippet.sent: A teacher in New Jersey who assigned her third-grade class to write 'get well' letters to a sick inmate convicted of killing a Philadelphia police officer was suspended Friday, the school superintendent said.
article_snippet.sent: The school district was closed for spring break and the superintendent said a full investigation would begin when classes resume on Monday.
article_snippet.sent: Additional action could be taken by the school board once a full investigation is finished.
article_snippet.sent: Richard Costello said all the teachers involved in the letter writing campaign should be fired. '