Pregnant woman murdered, baby cut out of her body by two other women from a FB group

Chicago. 19 year old woman was the victim, murdered were 23 and 24 year old woman who lured her to their house with a FB post for some free clothes/stroller. The baby was in critical condition after being cut out of the womb, and the ambulance came to rescue it. The medics didn't know at the time that anything was off. It took about two weeks until a friend tipped off the police, and they followed the FB group chats to find the murderers.