Presumably for a "false accusation" conviction one would have to prove that (1) the accusations are false, and (2) the accuser was aware that the accusations we

Presumably for a "false accusation" conviction one would have to prove that (1) the accusations are false, and (2) the accuser was aware that the accusations were false. Merely failing to prove accusations (such as when there is insufficient evidence) would be insufficient for a false accusation conviction, as neither of these requirements are satisfied.