Police said Alina Rybnikova, 22, was found dead in the garage of her town home near the intersection of Newport Street and Orleans Drive.
Police Chief Raymond Rose said Rybnikova was living at the Mundelein home with a female roommate, about age 24. Also staying in the home from time to time was Rybnikova’s mother, who had ended a two-year dating relationship with Plaksa in about May, Rose said.
Sometime yesterday, Plaksa went to the house in the 1300 block of Newport, waiting for someone around 9 p.m., and Plaksa confronted her, hitting her in the back of the head with a baseball bat, police said.
Plaksa then dragged her into the garage, where he stabbed her multiple times, apparently with multiple knives that were later found by police with blood on them, he said.
Plaksa then tried to clean up the crime scene and waited for Rybnikova’s mother to come back to the home. When the mother returned about 9 p.m., he tied her up, handcuffed her, duct-taped her mouth shut and beat her, Rose said.
"We believe she was bound up for some time. It may have been over a period of hours," said Mundelein Deputy Police Chief John Monahan.
About 1 a.m., Rybnikova’s mother was able to persuade Plaksa to free her, Rose said. She then called the roommate, who apparently was heading home from work about that time. As Plaksa was leaving, the mother and her daughter's roommate discovered Rybnikova’s body. The roommate called police, Rose said.
Plaksa drove up the street a short distance and killed himself in his car with a semiautomatic handgun, Rose said.
Rybnikova’s mother is being treated for injuries from the beating by Plaksa at Advocate Condell Medical Center in Libertyville , but was expected to survive, Rose said.
Plaksa has prior domestic-related arrests in Chicago on his record, Rose said.
Plaksa also apparently has an ex-wife and daughter whom police are trying to contact, Rose said.
As police cordoned off the entire block, officials removed a body from the home at about 8:25 a.m. and loaded it into a van.
The man’s body was found in a running car with Wisconsin plates up the street on Newport, police and neighbors said. One neighbor said he saw the man’s body removed.
Neighbors said the three women moved into the Newport Street home last spring.
Glaister Foreman, who lives next door, said he has lived in the area for four years.
“They always said hi to us, most of the time they were in and out for work,” said Foreman.
“Kicking off the New Year like this is terrible”
Foreman said the mother and daughter moved to Mundelein from Wisconsin. “I lived in Chicago for 25 years, but have never seen anything like this,” Foreman said.
Another neighbor said the neighborhood is very quiet. "I'm heartsick," said Joanna Xarras. "I'm totally blown away. This is not my neighborhood. People are out on the street at 11, at midnight, walking their dogs. That's how safe it is."