A woman who reportedly caused a wrong-way crash on St. Patrick's Day, killing a family of three, was indicted today for what the prosecutor is calling a "deliberate" act.

Abby Michaels, 21, was charged with six counts of murder, six counts of aggravated vehicular homicide and one count of driving under the influence. She faces life in prison if convicted.

According to prosecutors, Michaels left a bar in Miamisburg intoxicated on Sunday, March 17. People at the bar advised her against driving, said Montgomery County Prosecutor Mat Heck Jr.

Michaels didn't listen to their cautions and proceeded to drive the wrong way down the northbound side of I-75, just south of Dayton near the Dryden Road exit, Heck said. Witnesses said she accelerated before her white Kia Forte hit a Toyota Camry head on.

Timmy Thompson, 51, Karen Thompson, 50, and their 10-year-old daughter, Tessa, were returning home from vacation to their Mason home when Michaels hit their car. All three of them died in the crash.

Heck said Michaels told people in advance that she planned to do this. He said it wasn't clear if this was a suicide attempt.

"This was not an accident," Heck said. "This defendant was upset and decided to take the action that she did. Evidence showed this defendant knew what she was doing and what she wanted to accomplish. Unfortunately, what she accomplished was wiping out and murdering this family."

Heck said she showed no hesitancy and that the fact that she accelerated prior to the crash shows this was an intentional action. He also said the fact that she was under the influence was not a contributing factor.

Michaels faces six counts of murder because of differing legal theories, said Cara Sweet, executive assistant to the prosecutor. She is accused of using her vehicle as a deadly weapon and causing serious physical harm, so she is being charged twice for each victim.

The six counts of aggravated vehicular homicide were derived in the same way, Sweet said. Three are for being under the influence of alcohol, and three are for operating the vehicle in a reckless manner.

Michaels is currently in custody, Heck said. She will have her first court hearing on Tuesday, July 23 at 8:30 a.m.

Enquirer media partner Fox 19 contributed to this report.