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SAN DIEGO (KGTV) - Two weeks after their son was killed, the parents of Alexander Mazin spoke to 10News for the first time about the brutal attack.Penelope and Jeffrey Mazin say their son left for the 24 Hour Fitness gym on Midway Dr. around 9 a.m. on Feb. 25, 2018.“I said 'I love you' and I kissed him on his little fuzzy beard,” remembered his mom, “and he walked out the door. I’m glad I saw him that morning.”He was scheduled to meet with his dad at noon, but by 12:05, his parents were already worried. He was never late.They started calling hospitals and police stations. Little did they know, officers were already searching for him.“Two plainclothes detectives in black cars pulled up and my heart sunk because I knew right then and there something horrible must have happened,” said Jeffrey.The suspect in the case has been identified as Ernesto Castellanos.The Mazins say Castellanos was in a previous relationship with their son’s girlfriend. They say Alexander had been dating the woman for about three months but kept their relationship somewhat private.There were warning signs. Two weeks before the killing, they say Castellanos had attacked the woman while she was working out with Mazin at a 24 Hour Fitness.Castellanos’ whereabouts are unknown. The Mazins say, police believe he may have fled to Mexico. A ,000 reward is being offered for information leading to his arrest. Anonymous tips can be made to San Diego Crime Stoppers. 1478

SAN DIEGO (KGTV) — Two new studies published this week suggest people with blood type O have a lower likelihood of catching COVID-19 and developing severe illness than people with other blood types.Blood type is a characteristic we inherit from our parents and there are four major blood groups: A, B, AB and O.Danish researchers looked at nearly 500,000 people who tested positive for COVID-19 and found that people with type O were underrepresented.In a study published in the journal Blood Advances, the researchers found 38.4 percent of those infected had type O when that type actually makes up 41.7 percent of the population in that area.The researchers say the findings suggest people with type O are less likely to get infected in the first place.On the other hand, the team found that people with type A blood were overrepresented: 44.4 percent of those infected had type A compared to an expected value of 42.4 percent. The researchers suggest people with type A might be more at risk.Another study, also published in Blood Advances, looked at 95 critically ill patients in Canada. They found people with type O or type B blood tended to have a shorter stay in the intensive care unit, an average of nine days for those blood types compared to 13.5 days for people with type A or AB.They also reported that people with type O or type B were less likely to need a ventilator, with 61 percent of cases requiring mechanical ventilation compared to 84 percent for people with blood type A or AB.“Yes, there may be some of these associations. I don't think it's fully understood at this point,” said Dr. Christian Ramers of Family Health Centers of San Diego, who was not involved in the studies.The science on COVID-19 risk and blood type is mixed. These two new studies align closely with a previous study in China and another in Europe, but a third study in the U.S. found no significant link between severe COVID cases and blood type.At this point, doctors aren’t sure why blood type might affect outcomes with the disease, but there are several theories.“The immune system is an incredibly mysterious and complicated thing that we don't fully understand,” Ramers said. “Blood type sort of plays into that because people with different blood types actually have slightly different immune systems and immune responses.”Your blood type impacts the kind of antibodies you produce. That is why it is so important in blood transfusions to get the right blood type; blood from the wrong donor can trigger antibodies that attack those red blood cells.People with blood type O have two sets of antibodies, known as anti-A antibody and anti-B antibody. People with type A or B only have one or the other.Researchers in the Canadian study hypothesized that the anti-A antibody in particular may help control the coronavirus. People with blood type O and blood type B produce this kind of antibody. Individuals with type A or type AB do not.People with blood type O also have characteristics that make them less prone to issues with blood clotting, a major issue in severe cases of COVID-19.Experts say that if type O blood is protective against the virus, it’s not by a large amount.And this protective benefit doesn’t extend to all pathogens. Past studies have shown people with type O are more at risk from a type of bacteria that can cause ulcers and cholera. 3369

SAN DIEGO (KGTV) -- Two San Diego police officers answered an unusual call to duty when an emergency struck, leaving two young children alone.SDPD officers Daniel Clark and Adrianni Vital have been a part of the department for about a year.Last Friday night, police received a call about a father in San Ysidro having a medical emergency, but he did not have any family or others to watch his two young daughters.After he was taken to the hospital, Clark and Vital stayed behind to watch the man’s 2-year-old and 4-year-old daughters.“Just to put a smile on their face, it meant a lot, it was a great interaction; it just made my day,” said Vital. “We just want to show people that we are human, too, and we do want to give back, and sometimes it comes in different shapes and sizes in how we do it."The officers did everything they could to keep the girls entertained so they would not worry about their dad.Using his own experience as a father, Clark learned more about the children’s likes and dislikes, and the officers eventually found out the girls loved the song “Baby Shark.”ABC 10News learned the girls’ father is doing OK and the family was reunited after about two hours. 1190

SAN DIEGO (KGTV) -- Traveler satisfaction stagnated year-over-year as airports struggle to keep customers happy, according to J.D. Power. According to the report, construction projects and passenger volumes are at least partly responsible for the trend. San Diego International ranked 13th out of 27 in the large airport category, with a score of 774 out of 1,000. To reach the conclusion, the report looked at six factors: Terminal facilities; airport accessibility; baggage claim; security check; check-in/baggage check and food, beverage and retail. “With major terminal construction projects now underway in Los Angeles, Boston, Chicago, Atlanta and many other airports, it is becoming impossible for travelers not to experience some form of disruption,” said Michael Taylor, Travel Intelligence Lead at J.D. Power. “While these projects are absolutely necessary to address surging demand, they are currently causing passenger delays and confusion. This translates into a rushed passenger experience and less money spent on food, beverage and retail—and it’s slowing the progress of the airport satisfaction we’ve seen in the past several years.”Meanwhile J.D. Power says the experience of getting through security at the airport has improved by five points. The study is based on responses from more than 32,000 U.S. or Canadian residents who traveled through at least one U.S. or Canadian airport that covers both departure and arrival experiences over the last three months. Click here for the full report. 1523

SAN DIEGO (KGTV) -- San Diegans requested a record number of mail-in ballots for th 2018 general election, 1.2 million to be exact.Now, as tens of thousands arrive at the Registrar's office every day ahead of election day, new technology is helping make sure every ballot is processed and counted."This is our 144 pocket ballot sorter," says Registrar Michael Vu, showing off one of two brand new machines his office bought with this election in mind."After the 2016 election we said the mail ballot population is so great we need to invest in something that's even higher speed," says Vu.The new machine can process up to 44,000 ballots per hour, twice the number of the old machine. It can also sort them by city and council district. That comes in handy with an election as big as this week's."We have 326 contests on ballot, spanning 485 candidates, and 52 measures on there," says Vu.By late Sunday, the Registrar had already received about 500,000 mail-in ballots. That includes several thousand people who voted early in-person. Vu says he expects that nearly 70% of the people who vote in Tuesday's election will have done so through mail-in ballots.He thinks San Diego could get closer to 100% mail-in ballots in the near future."It's becoming ubiquitous," Vu says.Anyone who hasn't turned in their mail-in ballot yet can still do so, either at a drop off location around San Diego or at a polling place on Tuesday.To find a location, go to sdvote.com. 1474

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