Police in Wyoming, Michigan are trying to determine what led to the murders of a man, his pregnant girlfriend and their unborn child.
Authorities say a high speed chase ended with suspect Brady Oestrike taking his own life.
The body of eighteen-year-old Brooke Slocum was found in the trunk of Oestrike's car.
She was eight and a half months pregnant.
Earlier this week, the body of Slocum's boyfriend was found in a park.
Authorities have only said that Slocum met Oestrike online via Craig's List.
They have not determined a motive in the murders of Slocum and her boyfriend, or why Oestrike led police on a high speed chase before taking his own life.