This is another era where the wife-as-killer seems unlikely. Once Simone started sleeping with the 18-year-old son of her best friend, our radar was immediately on high alert. So for this era, we're going to say that Simone's best friend Naomi (Katie Finneran) accidentally kills Simone in a fit of rage when she finds out that Simone is sleeping with her son, Tommy (Leo Howard).
Image Source: CBS All Access