Did the Wolff right to present documentary evidence encompass the right to present video evidence?

QUESTION(S) PRESENTED . \olfF v. McDonnell, 418 U.S. 558 (1974), established prisoners? right to present documentary evidence at diseiphnary hearings . Since then, lower courts have held that video serverllance was not covered by Wolff, though they ‘now hold! that 1 1s * will be henceforth. Did the Wolff right to present documentary evidence encompass the right to present. video evidence, or is this a new legal context ? If Wolff did encompass video evidence, would the hearing officer be duty bound to personally examine that evidence at the hearing ? How does any body know with certainty which forms of documentary evidence Wolff did or did not authorize for prisoners ° . (i) :