The police department also \"live-tweeted\" Linda’s story from her perspective on Friday and Saturday, narrating the final day of her life in real-time, exactly 45 years later.

“Hi. I’m Linda O’Keefe (or Linda ANN O’Keefe, if I’m in trouble with my mom). Forty-five years ago today, I disappeared from Newport Beach. I was murdered and my body was found in the Back Bay. My killer was never found. Today, I’m going to tell you my story.” #LindasStory pic.twitter.com/G25n2IppZb

— Newport Beach Police (@NewportBeachPD) July 6, 2018

“I’m wearing a dress today… It’s white, with light blue flowers on it, and dark blue trim. My mom made it. She makes a lot of my clothes, and my sisters’ clothes. She’s really good at sewing, and we don’t have a lot of money for fancy store outfits anyhow.” #LindasStory pic.twitter.com/9sucqJsnGg

— Newport Beach Police (@NewportBeachPD) July 6, 2018

“Let’s see… What else can I tell you about me?? I’ve always been *really* good at tidying up. Mom says I’m like a ‘little mother’ and always keep my room very neat. Whenever I clean up, I ask her to come see. I like hearing her tell me that I did a good job.” #LindasStory pic.twitter.com/cYfjJEGnX6

— Newport Beach Police (@NewportBeachPD) July 6, 2018

The police department in its tweets re-visited Linda's final day of summer school at Lincoln Intermediate School.

“Finally, school is over. Like everyone else in the classroom, I’m getting excited about how to spend the rest of my afternoon, or what I want to do this weekend. I obviously don’t know it yet, but… I won’t get to have a weekend.” #LindasStory

— Newport Beach Police (@NewportBeachPD) July 6, 2018

According to police, Linda normally rode her bike to school. But that day she had been dropped off.

While waiting for a chance to use the school office phone, Linda headed outside. A friend of hers later told police that a turquoise van stopped next to Linda a few times as she walked.

Linda then called her mother from the school office, and her mother told her she was busy sewing and should walk home, police said.

\"PHOTO:
Newport Beach Police
PHOTO: Newport Beach police released this undated image of Linda O'Keefe in an effort to get assistance from the public to help solve her murder in Southern California in July 1973.
>

A woman later told police she saw Linda standing next to a turquoise van and talking to the driver -- a white man in his mid-20s or early 30s.

“The van is parked along the curb, just before the intersection of Marguerite and Inlet Drive. The front passenger door is open, and I’m standing right beside it. Jannine will remember that she sees the driver: a man, white, in his mid-20s or early 30s.” #LindasStory pic.twitter.com/Q2A1mTSyYp

— Newport Beach Police (@NewportBeachPD) July 6, 2018

When Linda never came home, her mother contacted her friends, hoping to hear from her daughter, police said.

Linda's family called the police at 6:42 p.m. and officers then joined the search for the 4-foot-tall girl with long brown hair and blue eyes.

“Officers are searching everywhere. Back then, there were vacant fields south of Pacific View and east of Marguerite. They search the fields, the reservoir, the neighborhoods, the streets. Nothing.” #LindasStory pic.twitter.com/zgdl0JfPvr

— Newport Beach Police (@NewportBeachPD) July 7, 2018

“Officers are searching Fashion Island. The Back Bay. On foot. By car. By helicopter. Jeeps are used in the places the patrol cars can’t get to. Still… nothing.” #LindasStory pic.twitter.com/9LNk8LQ9Et

— Newport Beach Police (@NewportBeachPD) July 7, 2018

That night, a woman who lives in the bluffs above Back Bay heard a female voice scream, \"Stop, you’re hurting me,\" police said.

The next day, a man visiting that same area with his son found Linda's strangled body, police said.

\"Years have passed since this heinous murder, but the [Newport Beach Police Department] remains dedicated to justice for Linda, and committed to finding her killer,\" police said in a news release.

It was Newport Beach police spokeswoman Jennifer Manzella's idea to \"live-tweet\" Linda's final day.

Manzella said police in Canada posted a similar Twitter stream for a case several years ago and it stuck with her.

\"It's difficult with a cold case ... for people to relate to the victim on a personal level,\" she noted.

Manzella decided to tweet in real-time because \"we thought people would be able to connect with Linda in a different way from spending time with her.\"

\"PHOTO:
Newport Beach Police
PHOTO: Newport Beach police released this undated image of Linda O'Keefe in an effort to get assistance from the public to help solve her murder in Southern California in July 1973.
>

\"We started out at 8 a.m. going to school through to the next morning when her body is found. And people who followed along got to have that experience,\" she explained.

The reaction has been \"overwhelming positive,\" she said. \"Both from people who knew Linda, her classmates, her friends ... to people who had never been familiar with her story before.\"

In the days since the Twitter stream, the police department has received some tips, she said.

\"That's exactly what we are hoping to do,\" Manzella said. \"All it takes is the right person, the right set of eyes, to recognize that person and give us a call.\"

Anyone with information on Linda's killing is urged to contact the police department's Cold Case Tip Line at 949-644-3669.

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