found: Work cat: 2016021103: Berman, S. Boundaries of loyalty : testimony against fellow Jews in non-Jewish courts, 2016.
found: Broyde, M. Informing on Others for Violating American Law: A Jewish Law View(online at Jewish law website, www.jlaw.com, article cited at Wikipedia (English and French editions): "mesirah" defined as "informing")
found: Google search, May 5, 2016:(search for "Mesirah" results in first 20 "hits" using the word "Mesirah" in the context of the proposal)
found: Encyclopedia Judaica:article on "Informers" defines the term as including "Moserim" which is the class of persons engaged in "Mesirah")