The jurors in the case of the Massachusetts mother who is accused of murdering her children have been deliberating for more than 18 hours.

A jury is deliberating in Lindsay Clancy’s trial as the Massachusetts mother faces three counts of murder in the killings of her three children.

A trial consultant said the Lindsay Clancy jury will need plenty of time to deliberate because the case is "incredibly complicated."

The jury is in its fourth day of deliberation