It has now been revealed that the man is Nigerian and it was a murder-suicide carried out by the husband.
Olasunkanmi Esho, a 42-year-old Nigerian Pharmacist living in Chicago, shot his Cameroonian wife, Bourk Esho, 33, and their 7-year-old daughter, Olivia Esho, after which he shot and killed himself.
According to ABC7, The Darien Police Department says officers responding to a call about shots fired in a home in the 7500-block of Farmingdale Drive, found the bodies about 1 a.m. Sunday.
Nigerian pharmacist in Chicago shoots dead his wife, their 8 year old daughter, and commits suicide.
They are survived by their 13-year-old son and 4-year-old daughter.
The 8-year-old reportedly died in the arms of her 13-year-old brother. According to reports, the teenage boy heard gunshots outside and ran to call his mom to report the incident, not knowing their dad had shot their mom.
On getting there, he saw his sister bleeding and he carried her to seek for help but she died in his arms.