Mechanics_of_use Demonstrative_evidence

in american jurisprudence, demonstrative evidence, other kind of evidence must relevant. @ point proponent of demonstrative evidence can either try evidence admitted official record of case or can choose use evidence merely prop. if proponent of evidence wants have evidence included in official record of case, proponent first ask evidence marked court identification purposes. after evidence marked identification, proponent of demonstrative evidence must lay foundation. @ time relevancy of demonstrative evidence challenged. laying of foundation explains how demonstrative evidence relates facts of case , establishes evidence s authenticity. once foundation laid, proponent may ask officially move piece of evidence record marked full exhibit. if evidence marked full exhibit jury may refer evidence during deliberations , in jurisdictions jury may examine evidence during deliberations. if evidence not marked full exhibit, jury cannot these things. matter of courtesy, proponent of demonstrative evidence shows piece of evidence opposing party before marking identification purposes. in criminal cases kinds of demonstrative evidence subject mandatory disclosure under case law governing discovery. see brady v. maryland.