Teen pleads guilty to homicide by drunken driving
Hart, of Genoa City, also pleaded guilty to charges of felony bail jumping and obstructing an officer.
The judge Wednesday revoked Hart's bond, and she was returned to the Walworth County Jail.
Hart will face a maximum of 31 years and nine months in prison when she is sentenced Jan. 30.Hart was first arrested following the fatal crash Nov. 3, 2007, that killed Chimal Lopez, a 54-year-old landscaper from Delavan.
She also told police she had used marijuana hours before the crash, between 5 p.m. and 6 p.m. Friday, Nov. 2.
The criminal complaint indicates Hart was possibly northbound in the southbound lane of the highway.
While out on bond, Hart was twice arrested at parties, violating conditions ordered by the judge.