California, United States of America
The following excerpt is from People v. Horton, B230381 (Cal. App. 2012):
informant who is a material witness in a criminal case or suffer dismissal of the charges against the defendant." (People v. Lawley (2002) 27 Cal.4th 102, 159.) "An informant is a material witness if there appears, from the evidence presented, a reasonable possibility that he or she could give evidence on the issue of guilt that might exonerate the defendant." (Ibid.)
The above passage should not be considered legal advice. Reliable answers to complex legal questions require comprehensive research memos. To learn more visit www.alexi.com.