Couple separate.
Husband condemns divorce and threatens Wife numerous times.
Wife gets injunction for protection against domestic violence, or restraining order, against Husband.
Wife requests that Husband be allowed only supervised visitation with their three and five year old Children.
Court, however, orders unsupervised visitation for Husband, including weekly overnight timesharing with the couple’s three and five year old Children.
Exchanges are conducted at Wife’s Mother’s home for her safety.
Divorce goes through.
During latest visitation, Husband sends increasingly disturbing text messages to Wife, in which he seems to try to lure Wife to his location.
One message alarms Wife and she calls police.
Upon investigation at Wife’s Mother’s home, police discover Wife’s Mother and both Children dead. Wife’s Mother was shot and Children were stabbed to death.
Husband is charged with “aggravated” murder.
Husband’s defense seems to be that Wife divorced him.
Husband is convicted of murdering all three victims and is sentenced to death.
Read more in this Cleveland WJW-TV Fox 8 news article: Ex-Wife: Mammone Admitted Killing Their Kids, Her Mom and this Canton[OH] Repository article: James Mammone III gets death sentence for murdering children, former mother-in-law.