PHILADELPHIA (AP) _ A man described by Berks County authorities as a "person of interest" in a stabbing death has been arrested on a parole violation warrant.

State police say 42-year-old Glenn Lyons was arrested Thursday afternoon at a Philadelphia shopping mall. He's held in the Berks County Prison on the parole violation. He hasn't been charged in the death of 45-year-old Kathy Leibig of Millcreek Township, Lebanon County.

Leibig's body was found Sunday night in her vehicle near Wernersville State Hospital in South Heidelberg Township, Berks County.

Leibig was reported missing May 1 after she failed to return home from work at Linette Quality Chocolates. Lyons had worked there, too, but hadn't shown up for work since Leibig was reported missing.