Nitesh Adusumilli, 27, who was driving the victims' car, and Miller are admitted on Sunday, Mar 22 at St John's Mercy Medical Centre in Creve Coeur are said to be in a critical condition.
"Miller was driving eastbound in the westbound lanes of Dougherty Ferry Road when her Mitsubishi Eclipse struck the passenger side of Adusumilli's Honda, which was turning right onto the road," police said.
Other victims are Adusumilli's fiancee, Anita Lakshmi, 23, who was dead at the scene along with Anusha Anumolu, 23, and Priya Muppvarapu, 22 - Lakshmi's roommates - and Satya Chinta, 25.
Adusumilli's Internet profile said he worked at AMDOCS, a software and communications firm in Chesterfield. His mother, Adusumilli wrote, is a yoga instructor in India; his dad, a real estate agent.
The three female victims were all working toward master's degrees in information technology at Eastern Illinois University in Charleston.