DENVER — Former Denver police officer Celena Hollis was remembered by friends and family on Sunday, one year after she was shot and killed while working at a City Park jazz concert.

Plans for a memorial to Hollis were unveiled at the park shortly after a ceremony held in her honor.

“Today we’re here to celebrate not her passing but her life and her legacy,” Rev. E. Christopher Hill told an audience, which included Mayor Michael Hancock, Police Chief Robert White and dozens of current officers.

Hollis was struck by a bullet that was fired into a crowd as she rushed to break up a gang fight on June 24, 2012.

Rollin Oliver was convicted of second-degree murder for the crime and sentenced to 26 years in prison last Friday. On Sunday, Hollis’ father Vincent unveiled a plaque with her name in the parking lot where she died.

“People will always be able to come here and see the sacrifice that Celena made,” said Sgt. Joe Unser, one of Hollis’ friends. “She will be very pleased and very happy that people will be able to come here and enjoy her essentially because the memorial will be to her.”

Construction on the memorial, which will feature sculpted benches, will begin in the fall. It’s scheduled to be completed next spring, in time for next summer’s City Park jazz concert season.