S4·E14 Deadly Knightshade

When a Foundation trustee is murdered, Michael's prime suspects master magician Austin Templeton — but the man was seemingly on stage performing at the time of the murder. Michael is determined to prove that Templeton used his "magical" trickery to fool the audience and give him the perfect alibi. The fact that Bonnie, an old flame of Templeton's, was in the audience and is insistent of his innocence, does not make the case any easier...