[Murdered Mommy] Does the jealous wife's alibi hold up?

Maureen Kirby makes no secret of her feelings about Missy Hammond, her husband's high school girlfriend.

She thought Missy was threatening her marriage, and she didn't like it.

But was Maureen "running errands" when Missy was murdered, as she claimed?

Examine the evidence, and share your theories in the forums and the comments.