A Calumet City woman blamed in a crash that left her and three other people dead had a blood alcohol content of more than two times the legal limit for driving, police said.
Tiara Davis, 25, had a blood alcohol content of 0.22 after the crash Sept. 1 on the Indiana Toll Road near the Grant Street exit in Gary, police said. Toxicology results also showed she had used marijuana before the crash.
Davis was driving a 2017 Toyota SUV west in the eastbound lanes with no headlights on just before the crash. Her car collided head-on with a 2007 Jeep SUV driven by Octavio Chavez-Renovato, 45, of Chicago.
Chavez-Renovato and two of his passengers, Eva Gonzalez-Cruz, 35, of Chicago, and Luis A. Heraz-Gonzalez, 14, of Chicago, each died from blunt force trauma.
Davis also died as a result of the crash, officials said.
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Three children in Chavez-Renovato's vehicle, ages 10, 11, and 7 months, were taken to a Gary hospital and later to Illinois hospitals for treatment.
An Indiana State Police trooper and good Samaritans attempted life-saving measures on Gonzalez-Cruz and Heraz-Gonzalez, but were unsuccessful, officials said.
Police initially said alcohol was suspected to be a factor in the crash. Recent toxicology results confirmed that suspicion.