(Merrillville, IN) - Authorities are investigating the death of a Michigan City woman last seen during a high speed chase.

The body of 32 year old Steffani Sanders was found Tuesday in Merrillville.

According to police, she was reported missing by her family on March 15.

Her body was discovered after someone reported seeing an object in Deep River, police said.

An autopsy will determine cause of death.

Police said it’s believed Sanders was a passenger in a vehicle involved in a high speed pursuit two days prior to the filing of the missing person's report. 

The driver, Bobby Joe Holland, also of Michigan City, was arrested after jumping into the same river.