An employee at the Jack in the Box in El Monte was fatally shot Friday night inside the restaurant during a robbery, and the masked gunman was still outstanding, police reported.
The shooting happened about 7:50 p.m. when the restaurant in the 9200 block of Flair Drive was busy with dinner patrons, the El Monte Police Department said. The suspect, who police say was wearing a Halloween mask, jumped over the counter and demanded money.
Police said it was unclear why the suspect opened fire on the employee, but said no money was taken.
The 25-year-old employee suffered a gunshot wound to the upper torso and was treated at the scene, sheriff's officials reported.
He was transported to a local hospital where he was later pronounced dead, according to El Monte police.
The suspect drove away from the Jack in the Box after the deadly shooting.
Homicide investigators were looking over surveillance video.
No suspect information was released.
Check back for updates on this developing story.