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SAN DIEGO (KGTV) - Among the safety measures schools are now employing is a device invented by a retired San Diego teacher that was never designed for the use.Rick Morris taught elementary school for three decades before leaving to focus on books to help educators with inventions.In 2005, Morris designed the Lock Blok, an updated version of a device he invented in the 80s. Applied with an adhesive, a rubber tab is affixed to the door and can be pushed out, again acting like a stopper. It was designed to cut down on noisy door slams in class.Morris says after the Columbine shooting, schools started using the Lock Blok for safety.  Most class doors have to be locked from the outside. With Morris' invention, teachers could just keep the door locked all day, even with the Lock Blok engaged. In an active shooter situation, the tab is pulled back, while the door shuts and is automatically locked.Security experts tell us during a true emergency, fine motor reflexes becomes tested. If a teacher has to go outside and try to lock the door with a key, it could take precious seconds.  Over the years, some 8000 Lock Blok units have been installed by local schools.  "My reaction is if this is helping to make a campus more secure, good for you, but don't put all your hope in one device. Security is bigger than that," said Morris.Morris doesn't market Lock Blok as a safety measure because it wasn't designed for protection, but after a November shooting rampage at a Northern California school, he can't forget the call he got from that district's superintendent."My wife and I teared up on that one ... If it saved one life, then it saves some parents from grieving," said Morris. 1731

SAN DIEGO (KGTV) - A shopping trip in City Heights ended with a flurry of anti-gay slurs and a road rage assault.On Tuesday afternoon, Marco Aguirre spent an hour shopping, before heading back to his truck, parked in the 3700 block on University Avenue."I back out and lightly bump the car behind me," said Aguirre, 49.Aguirre says he saw two men emerge from an older-model, red sedan. Aguirre apologized, offering to show his insurance, but the men were agitated."The driver came on my side and the passenger came on the other side. Both of them were screaming," said Aguirre.With his cellphone, Aguirre, who is openly gay, capturing the profanities, including a string of anti-gay slurs. Aguirre was frozen. "I feel terrible. Panicked," said Aguirre.He says the slurs continued for about 15 minutes, before he decided to get out of the car to assess the damage."I see no damage to my truck and no damage to their vehicle," said Aguirre. Aguirre says when he stepped onto the sidewalk, he was attacked."One of the guys grabbed my phone and smashed it into the sidewalk. The same guy punched me in the face, under my left eye," said Aguirre. Aguirre says the two men got in the car and took off, leaving him with swelling under his left eye. The incident also left him determined to find the two men."It's not right. I need to take a stand. This is my neighborhood, and I don't want to feel threatened in my own neighborhood," said Aguirre.Aguirre says he actually recorded the entire episode up until the phone was damaged, but only a minute or so ended up in the cloud.Anyone with information is asked to call San Diego Police at 619-531-2000. 1654

SAN DIEGO (KGTV) - A team led by Scripps Research has yielded positive results in a new research study involving antibodies.Researchers say they've worked to isolate the most potent antibodies in the blood of recovered COVID-19 patients. The study was published in "Science."Dennis Burton, the study's co-author, says once they identified the most potent antibodies, they cloned them."You clone the really good ones, and then you make lots and lots of them in production facilities and then use as a standard to protect and-or treat Covid-19," Burton said.They've tested the cloned antibodies, or monoclonal antibodies, on animals, and they've yielded positive results. They hope to conduct human testing early next year.When asked if it is similar to antibody treatments from convalescent plasma donations, Burton says what they're making is more efficient and can be produced for masses.He says the monoclonal antibodies could be used as a preventive measure given to uninfected but at-risk people before a vaccine is available, and could even be useful for people that may not respond well to a vaccine.He also says the monoclonal antibodies could be used to design better vaccines by giving researchers a better idea of which antibodies are most effective. 1268

SAN DIEGO (KGTV) - Adam Shacknai testified Monday in the wrongful death civil lawsuit filed by the family of Rebecca Zahau, whose body was found hanging at the Spreckels Mansion in Coronado.The San Diego County Medical Examiner’s office ruled Zahau’s death was a suicide. Zahau’s family believes she was murdered at the home on 1043 Ocean Blvd.Adam Shacknai, the brother of Zahau’s boyfriend Jonah, told investigators he removed Zahau’s body from the balcony about 6:45 a.m. the morning of July 13, 2011.In testimony, Shacknai said he called 911.Investigators found her body on the ground, her hands and feet bound with red rope. The same red rope was discovered hanging over the balcony.Shacknai had been staying in the mansion's guest house at the time of Zahau's death.RELATED: Interactive timeline of Rebecca Zahau?case / Lead investigator testifies in wrongful death lawsuit / Coronado death investigation photosShacknai testified Monday he liked Zahau, and she liked him.Zahau was found dead just days after the young son of her boyfriend suffered serious brain injuries after a fall at the home while he was in Zahau’s care.6-year-old Max Shacknai died from his injuries. Authorities later ruled his death accidental. 1242

SAN DIEGO (KGTV) -- All evacuation orders and warnings have been lifted following a brush fire that erupted in San Diego's Talmadge neighborhood Tuesday afternoon. The fire started after 1 p.m. on Fairmont Avenue and Aldine Drive near Central Elementary School. The fire could be seen burning up a canyon in the area as smoke billowed into nearby neighborhoods. At times, flames came within 200 feet of homes. Evacuations were briefly ordered for Norma Drive, Constance Drive and Natalie Drive. The Hoover High School football field had been set up as a temporary shelter.RELATED: Check today's forecastThe fire also knocked out power to thousands in the area, but electricity was restored around 5 p.m. The fire sparked amid elevated fire weather concerns. Gusty offshore winds are expected in the mountains and foothills through Wednesday with afternoon humidity between 15 and 25 percent. East winds are expected to be strongest in the east-west passes of San Diego and Riverside Counties with gusts reaching 20 to 30 miles per hour. Watch video of the fire in the players below: 1091

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