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SAN DIEGO — 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 said 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. 1729

SAN DIEGO (AP) — The Marine Corps says one of its fighter jets collided in mid-air with another plane during a refueling operation in a remote desert area of Southern California.The pilot ejected and the other aircraft landed safely.Authorities say the F-35B jet collided with a Lockheed Martin KC-130J tanker around 4 p.m. Tuesday. The pilot who ejected is being treated, and nobody aboard the tanker was hurt.The jet crashed near the Salton Sea, northeast of San Diego.The big tanker landed in Thermal in neighboring Riverside County.Photos from the scene show the plane on its belly in a farm field. 610

SAN DIEGO (CNS) - A 21-year-old man who fatally stabbed a transient in Ocean Beach was sentenced today to 15 years to life in state prison. Noah Mitchell Jackson, 21, was convicted earlier this year of second-degree murder for the June 22, 2017, killing of 65-year-old Walter ``Ras'' Riley, an Ohio native nicknamed ``the Incense Man'' due to his practice of selling aromatic burning sticks at local farmers' markets. Officers sent just before 12:30 a.m. to the 1900 block of Bacon Street found Riley lying on the sidewalk with stab wounds to his upper body. He was pronounced dead at UCSD Medical Center. Deputy District Attorney Michael Reilly said the victim was stabbed five times, with the killing blow entering his back, breaking several ribs and puncturing his heart. RELATED: Police search for man suspected in death of homeless man in Ocean BeachJackson confessed to a friend that he stabbed Riley, according to the prosecutor, who said Jackson told the friend, ``I got that guy. I stabbed that (expletive).'' ``Those are the words of a murderer,'' Reilly told jurors. Reilly said that some time after the killing, Jackson had a friend drive him to Kellogg's Beach, where Jackson threw the murder weapon and his cellphone into the water. Police divers were not able to recover the knife or the phone. Jackson's attorney, Eugene Iredale, alleged the friend was pressured by police to incriminate Jackson and was offered immunity for his testimony in the trial. RELATED: Suspect in fatal Ocean Beach stabbing arrestedAccording to Reilly, Jackson told police that he was home and asleep by 9:30 p.m. the night of the stabbing, but later confessed to another friend that he lied to police and went back out to confront the victim, though he denied fighting or stabbing him. The prosecutor alleged that Jackson also told the friend that he ``handled'' the victim because Riley had previously spat on Jackson's sister and insulted her. However, Iredale denied this suspected motive, as he said his client had substance abuse problems that led him to make several ``completely random statements'' to friends following the date of the killing. The attorney said the spitting incident involving Jackson's sister never occurred and ``God only knows'' why Jackson said it had. Iredale said police originally had 20 to 30 suspects, but centered on Jackson due to a 911 call made about 90 minutes prior to Riley's stabbing. In that call, a recording of which was played for the jury, the mother of one of Jackson's friends said Jackson was at her home displaying erratic behavior and saying he wanted to commit suicide. He'd just gotten into an argument with his girlfriend, then left the house, she told a dispatcher. Iredale alleged the clothing description she provided police -- a white sweatshirt and jeans -- vaguely resembled the attire of a suspect captured on surveillance footage running through Ocean Beach following the killing. That footage was publicly released shortly after Riley's death. Iredale said the man in the footage was Riley's killer, but looked nothing like his client. Jackson was arrested in Huntington Beach in February 2018 by SDPD detectives with the help of local police and the U.S. Marshals Service. 3238

SAN DIEGO (CNS) - A head-on collision Friday in Poway injured three people, one of them seriously injured and airlifted to a hospital.The collision occurred about 2 p.m. in the 15800 block of Poway Road, according to Sgt. David Toner of the San Diego County Sheriff's Department.Upon arrival, deputies found both vehicles, Mazda coupe and a Nissan Sentra, with major front-end damage, Toner said.The investigation revealed the Mazda was eastbound on Poway Road and had drifted into the westbound lane when the collision occurred, according to the sergeant.The 25-year-old woman driving the Nissan and her 1-year-old son were taken to a hospital as a precaution, while the driver of the Mazda, a 28-year- old man, was airlifted to Palomar Medical Center for treatment of serious injuries, Toner said.MAP: Traffic conditions throughout San DiegoNeither alcohol nor drugs were suspected as factors in the collision, he said. 929

SAN DIEGO (CNS) - A financial advising website Thursday ranked San Diego as the second-best city in the country for conferences.SmartAsset's fourth annual study of the best cities for conferences was based on data from the U.S. Census Bureau's 2016 County Business Patterns Survey, the FBI's Uniform Crime Reporting Database, Google Maps and Hotels.com's Hotel Price Index.Among the 25-best cities, San Diego ranked first in driving distance from the airport to the city center and second for low crime rate. San Diego's 377 violent crimes per 100,000 residents was second only to Irving, Texas, which had 216 crimes per 100,000 residents."San Diego ranks well, because its airport is both close to downtown and easy to reach," said SmartAsset data journalist Derek Miller. "This city ranks first for airport distance and fourth in travel time to airport. This city also has plenty of lodging options, including 18 large hotels making it a 957