WEST ALLIS - With Zachary Hays already sentenced by a Sauk County judge to up to 40 years in a mental hospital for the drive-by murder of a woman, a June 29 hearing is scheduled in Milwaukee County on a murder in West Allis the same day.

Hays pleaded not guilty by reason of mental defect. The murders happened Sunday, May 1, 2016.

Hays faces a first-degree reckless homicide charge in the killing of Gabriel Claudio-Sanchez, 42, a neighbor in the West Allis apartment building where Hays lived.

According to the criminal complaint, Hays pushed his way into the apartment of the Sanchez family at 2390 S. 92nd St., about 6:30 that morning demanding to know where his brother was. Sanchez and the woman living in the apartment with him tried to push the apartment door closed but Hays allegedly fired a pistol through the door, hitting Claudio-Sanchez in the chest.

Hays then threatened her and her sons before leaving the apartment, the complaint says.

In Sauk County, Hays was charged with first-degree intentional homicide and three counts of recklessly endangering safety. He was accused of the drive-by killing of Tracy Czaczkowski, 44, who was riding home to Illinois with her husband and children on Interstate 90/94 when Hays allegedly fired three shots into the family car, hitting Czaczkowski in the neck. She later died.

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