There's such a thing as a "meaningful coincidence," also known as "synchronicity." (Google "Carl Jung," the psychologist) It's up to each person to figure out what coincidences mean to them. It doesn't have to be religious to have meaning, but if a person is religious it might have more meaning for them.
I put Caylee's lightning-struck pine tree on my avatar, because I find it meaningful. It's another symbol of a child who shouldn't be forgotten.
Lightning strikes the just and the unjust, but even in a state known for lightning, this is two lightning strikes near the Anthonys. I find that very thought-provoking.
I'd say real karma would be for her to get out of jail and fail at life.