A truck’s passenger window shattered on a Phoenix motorway on Wednesday as Arizona authorities investigated a string of highway shootings that have rattled nerves and heightened fears of a possible serial shooter.
The state Department of Public Safety has not yet confirmed whether the glass was shot out.
Nobody was hurt, agency spokesman Bart Graves said.
Authorities were already investigating nine shootings of vehicles over the past two weeks.
Four cars were hit last week along the city’s main motorway.
One bullet shattered a windshield and the broken glass cut a 13-year-old girl.
The other rounds hit a headlight and the sides of vehicles.
Then on Tuesday, police announced they were investigating five more shootings, including one that shattered the window of an off-duty police sergeant’s vehicle as he drove to work.
On Wednesday, investigators raced to a petrol station after the driver of a truck pulled off Interstate 10 with a shattered window.
Department of Public Safety Director Frank Milstead called the incidents “domestic terrorism crimes.”
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