Sibling rivalry

The young would-be mother had died by the time the paramedics arrived. The presence of grey matter seeping from her fractured skull seemed to indicate assault with a blunt object. (This was confirmed by a bloody bat.) The victim was still connected to her child by the umbilical cord. Next to the deceased, a woman, later found to be the dead woman's twin sister, oblivious to the entrance of the respondents to a neighbor's 911 call, continued to try and force the newborn into her own body whilst screaming, "Mine!"