Law » Courts » Evidence » Admissibility of evidence » Hearsay » Constitutional principles affecting hearsay » Constitutional limits on admissibility of hearsay » Sixth Amendment right of confrontation limits use of hearsay against criminal defendants » Confrontation right does not apply to nontestimonal hearsay statements » No general definition of "testimonial" » Some types of statements have been authoritatively characterized as "testimonial" or "non-testimonial" » Whether public or official records are testimonial » No: no