An available body of information (i.e., facts) used to show that something exists or is true.
Law Enforcement
Property that may be related to a crime and/or that may implicate a person in or clear a person of a crime (The Biological Evidence Preservation Handbook, 2013).
Legal
Information presented in testimony or in documents that is used to persuade the fact finder (judge or jury) to decide the case in favor of one side or the other (http://www.uscourts.gov/glossary).