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SAN DIEGO (KGTV) — Local and federal authorities raided four San Diego County homes Wednesday as part of a money laundering investigation.Agents served one of those warrants at an El Cajon home at about 7 a.m., according to neighbors. Agents could be seen removing several items from the property. 10News observed agents searching through the first and second floors of the home. Neighbors told 10News agents made requests over a speaker for the home's residents to exit the property. Neighbors added that eventually, the announcements stopped and they heard what they described as a small explosion, before agents entered the home in tactical gear.RELATED: Ex-Wells Fargo banker indicted for money laundering appears in courtLauren Mack, with the Department of Homeland Security, told 10News the raid was one of five instances in which agents served search warrants as part of an investigation into a suspected money laundering conspiracy. Four locations were in San Diego County and one was in Los Angeles County.Federal agents worked with San Diego Homeland Security Investigations to serve the local warrants.No arrests have been made, according to Mack. 1166

SAN DIEGO (KGTV) -- It's almost time for kids to head back to school, and that may have some parents considering their children's options. In California, parents have many options, including educating children at existing private schools, through a charter or independent study program, or by opening a private home-based school.But make no mistake; it’s a big undertaking. The State of California requires those choosing to homeschool their children to file a private school affidavit.RELATED: Back to school shopping comparison: Wide price range between Target, Staples, othersParents must provide all curricular, instructional and other materials. State rules also require parents to keep track of their children’s attendance.Another factor to consider is college. The state urges parents schooling at home to learn about student admission or eligibility at specific colleges and technical schools.RELATED: Tax-free weekend 2018: Participating states, dates and what you can buyFor parents considering homeschooling, it’s also important to know that the alternative diploma equivalencies for students who don’t attend public school are the GED or the California High School Proficiency Exam. 1217

SAN DIEGO (KGTV) -- Millions of Americans owe more on their homes than they’re actually worth in the first quarter of 2019, according to a new report by Attom Data Solutions. San Diegans, on the other hand, are sitting on equity rich properties. In the U.S. as a whole, more than five million homes were seriously underwater, meaning property owners owe at least 25 percent more than the home is worth. RELATED: Teachers, first responders struggling to afford housing, report saysAlthough the report paints a grim picture for millions of Americans, San Diegans are seeing the opposite. According to the report, nearly 40 percent of properties in San Diego are equity rich, meaning property owners had at least 50 percent equity. In California, 43 percent of properties are equity rich. Other states that fared well include Hawaii, New York, Washington and Vermont. RELATED: City receives financial boost for Section 8 housingNationally, however, more than 9 percent of all U.S. properties with a mortgage are seriously underwater. In several places around the country, more than half of all properties are seriously underwater, according to the report. Those locations include Milwaukee, Trenton, Chicago, St. Louis and Cleveland. 1240

SAN DIEGO (KGTV) — In their push to reopen schools, some political supporters of President Donald Trump have cited COVID-19 research from a group of San Diego scientists, claiming it’s evidence we could be close to herd immunity from the virus.But one of the authors of that research says that conclusion is way off.One of the most prominent supporters of the herd immunity conjecture is Dr. Scott Atlas, a neuroradiologist and senior fellow at Stanford University’s Hoover Institution who became an adviser to President Trump this month.“There’s a pretty good chance that herd immunity requires way less infections because of existing immunity out there,” Atlas said in a livestream conversation with San Diego County Supervisor Jim Desmond. “It actually may have already been reached in places like New York. We don’t know, but it’s possible.”Herd immunity is the level of protection needed to effectively stop the virus from circulating, thought to be about 70 percent of the population. The “existing immunity” to which Atlas is referring has to do with T cells.“It's just a misunderstanding of the science,” said Dr. Shane Crotty, a virologist at the La Jolla Institute for Immunology who co-authored the groundbreaking research on T cells in June.Crotty and his colleagues found that 50 percent of people unexposed to the novel coronavirus had T cells that could recognize it. Scientists refer to this as cross-reactive T cells, and the study was replicated in other countries.Proponents of the herd immunity theory take the number of people infected with the coronavirus, add the number of people with T cells that can recognize the virus, and come up with a number around the herd immunity threshold of 70 percent. But the math doesn’t work that way, according to Crotty, in part because T cells only kick in once a virus has hijacked cells, meaning T cells alone can't stop a pathogen in its tracks.“We’re not saying those 50 percent of people have protection like they’ve already had the virus,” Crotty said. “We’re saying those 50 percent of people have a head start in responding to the virus, which is a good thing but doesn’t affect herd immunity.”Since the novel coronavirus is a new pathogen, scientists did not expect people would have tools in their immune system capable of recognizing it. Unexposed people do not have cross-reactive antibodies, Crotty said.But in a study published this month in Science, Dr. Crotty and his colleagues offered a potential explanation for the surprising T cell results: they found these cross-reactive T cells also recognized four other coronavirus strains that cause common colds.Their theory: the T cells were created in response to other coronaviruses but can recognize SARS-CoV-2 like a distant relative.“It's a memory of a cousin,” Dr. Crotty said.That memory may speed up the body’s immune response, which can normally take about a week for an unknown pathogen, Crotty said. But scientists aren’t sure yet what role T cells actually play in clinical outcomes.“We have no data and and neither does anybody else as to whether these T cells really help or not,” Crotty said.To answer that question, scientists would need blood samples for lots of healthy people and then they would have to closely study individuals who got infected.The La Jolla Institute for Immunology is raising money for that kind of research, Crotty said, but they’re not there yet. 3417

SAN DIEGO (KGTV) -- It's a problem on the rise in communities across San Diego; drivers racing down side streets to avoid rush hour traffic. When Doug Doyen saw speeding on his street, he tried to stop it. "It was almost like the Indy 500 I couldn't believe the speed, the amount of traffic and speed up and down this street," said Doyen.He put up his own signs to get drivers to slow down. "Hold the sign out, wave at them, people would be like, 'what the? Oh okay."' said Doyen. "And they'd look at me like, 'who is this guy?'" But the speeding is still a problem. He thinks GPS apps are directing drivers to his side street to avoid freeway traffic. "I couldn't believe the traffic and the speeds I was seeing out here," he said. Neighbors joined San Diego Police to form a Pace Car Program. The citizen-based campaign adds more signs and traffic patrols in the neighborhood.  937

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