Sonny Jackson with the Denver Police Department says the man entered Alicia, The Boutique, near 3rd Avenue and St. Paul Street in Cherry Creek North around 10:30 Monday morning, where he showed the cashier a gun.
Jackson says the cashier, who was the only person in the boutique, fled to another store. The woman told police she heard a single gunshot after she left the boutique.
A worker at Cucina Calore says the cashier ran into the restaurant, which is just next door to the boutique. The worker, who did not want to be identified, says the clerk was distraught and said the gunman ordered her to go to the back of the store.
"When he turned his back, she fled," the restaurant worker said.
The worker described the suspect as being in his 60s.
Police discovered the suspect inside the boutique with a self-inflicted gunshot wound around 11:20 a.m.
Jackson says the man was transported to Denver Health Medical Center. He was pronounced dead a short time later.
Denver Police say they have no reason to believe the cashier and the suspect knew each other. Police say they are classifying the man's death as a suicide.
A clerk inside a jewelry shop next door to the shooting scene says she heard what sounded like someone nailing a picture to a wall around the time the shooting happened.
9NEWS reporter Matt Flener was on the scene and shot this interview with Denver Police Public Information Officer Sonny Jackson.
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