A Missouri man allegedly went to a CVS where his former lover works and fatally shot a store employee she was living with eight times, later telling police he "could have hurt more people" — and responding cops, too — "but decided not to," according to police.

Antonio Serrano, 29, is charged with first-degree murder for the Thursday afternoon attack in North Kansas City, according to court records, which left 42-year-old CVS worker Rusty Donovan dead, local ABC affiliate KMBC reports.

Serrano fired nearly a dozen bullets at Donovan while he was behind the counter of the CVS around 3 p.m., police say. A former lover of his reportedly works at the store but was not there when Serrano allegedly showed up Thursday.

Serrano first entered the store and pointed his gun at a female employee beh

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