plaining the relevance of the evidence for a non- propensity purpose" (id.). 1 EFTA00016209 --- PAGE BREAK --- After December 2020, according to the Advisory Committee, the new subsection (B) requires that: The prosecution must not only identify the evidence that it intends to offer pursuant to the rule but also

value is substantially outweighed by the danger of unfair prejudice, ... or by considerations of ... needless presentation of cumulative evidence." The Advisory Committee Notes to Rule 403 define "undue prejudice" as an "undue tendency to suggest decision on an improper basis, commonly, though not necessarily, an emo