School lockdown drills have become common — experts say they could be better
Before the Columbine High School shooting, schools prepared for fires and natural disasters. After the 1999 massacre, states enacted lockdown and active shooter drills.
Watch CBS News
Before the Columbine High School shooting, schools prepared for fires and natural disasters. After the 1999 massacre, states enacted lockdown and active shooter drills.
After completing a sweep of Los Angeles High School's campus, police have determined there is no clear threat to students and staff members.
Police placed Los Angeles Academy Middle School on lockdown Tuesday afternoon after receiving "threats of violence" via a 911 call. After a thorough investigation, they were unable to locate a suspect or any victims and the lockdown was lifted.
Rena Nakano reports from City of Industry where an elementary school was placed on lockdown Friday as authorities searched for a pair of potentially armed suspects who were said to have fled from a crash off the 60 Freeway.
Measures could include public awareness campaigns, an array of programs at parks and senior centers as well as expanded mental health services.
Criminal charges were filed Thursday against a Chino man who allegedly threatened to shoot up Citrus College in Glendora this week.
Students crossing a street near Hewes Middle School had reported seeing someone in a car who appeared to have a weapon.
Two dozen police officers responded to a massive brawl between students at a Glendale high school Wednesday.
The man was shot after holding 70-year-old teacher Linda Montgomery hostage for nearly 7 hours.
Classes will resume Thursday at De Anza Middle School in Ontario after a 13-year-old boy was arrested for running through the campus wearing a mask from the movie "Scream" and allegedly pointing a gun at a teacher.
Grant High School in Van Nuys was locked down for a second day in a row to allow a bomb squad to search the campus, following an online threat.
A lockdown at two schools in Simi Valley was lifted after a report of a person armed with a long gun, walking onto one of the campuses, turned out to be someone carrying a drill team rifle.
Two schools were briefly put on lockdown Tuesday while police tracked down a man who was allegedly threatening people with a machete in Santa Ana.
Two schools were put on lockdown Friday for about an hour as police searched for possibly armed suspects in Downey.
Moreno Valley police said three students at Mountain View Middle School triggered a gun scare Wednesday when they allegedly brought an air pistol to campus.
Frontier Continuation High School was placed on lockdown Wednesday morning after a boy walked into the campus office suffering from stab wounds to his left arm and shoulder, police said.
Police arrested a suspect Thursday believed to have dumped a loaded gun across from the Canoga Park High School and fled onto the school's campus, triggering a three-hour lockdown.
A 35-year-old man reportedly wanted on multiple charges barricaded himself in a Garden Grove home Thursday afternoon, prompting officials to lock down a nearby elementary school.
Authorities locked down two San Fernando Valley schools Thursday following a fugitive search.
An attempted murder suspect has been taken into custody by police near Chatsworth High School.
An elementary school was locked down Wednesday as deputies searched for a gunman who reportedly fired a shot near the school.
The shooting happened at around 3:50 p.m. near W. McFadden Avenue and Graham Street, according to Santa Ana police.
Trent Perry scored 23 points, Donovan Dent had 17 points and 10 assists, and UCLA beat Washington 77-73.
California wildlife officials say that the wolf, which was born in Plumas County north of Lake Tahoe, traversed through the Sierra Nevada and was detected northwest of Lancaster early Saturday.
The family says that they received two tickets from Los Angeles County Parking Enforcement this week, despite having lived in the same situation since last January when their home was damaged in the Eaton Fire.
LeBron James had 20 points, 10 assists and seven rebounds to help the Los Angeles Lakers beat the Golden State Warriors 105-99 on Saturday night.
The shooting happened at around 3:50 p.m. near W. McFadden Avenue and Graham Street, according to Santa Ana police.
California wildlife officials say that the wolf, which was born in Plumas County north of Lake Tahoe, traversed through the Sierra Nevada and was detected northwest of Lancaster early Saturday.
The family says that they received two tickets from Los Angeles County Parking Enforcement this week, despite having lived in the same situation since last January when their home was damaged in the Eaton Fire.
Surveillance video footage captured the moments that an alleged burglar broke through the roof of a Woodland Hills jewelry store before taking off with approximately $100k in merchandise, owners say.
Multiple people were injured when a car that was on fire crashed into the Deloitte building in Manhattan Beach on Saturday night.
California wildlife officials say that the wolf, which was born in Plumas County north of Lake Tahoe, traversed through the Sierra Nevada and was detected northwest of Lancaster early Saturday.
The family says that they received two tickets from Los Angeles County Parking Enforcement this week, despite having lived in the same situation since last January when their home was damaged in the Eaton Fire.
Surveillance video footage captured the moments that an alleged burglar broke through the roof of a Woodland Hills jewelry store before taking off with approximately $100k in merchandise, owners say.
Multiple people were injured when a car that was on fire crashed into the Deloitte building in Manhattan Beach on Saturday night.
The firefighter suffered minor injuries but continued to combat the flames, according to LAFD officials.
The shooting happened at around 3:50 p.m. near W. McFadden Avenue and Graham Street, according to Santa Ana police.
Orange County officials confirm second measles case in Disneyland visitor
Laguna Beach city leaders are mulling a proposal that would ban large pop-up shade structures on the sand to protect the safety of beachgoers.
A diver swimming under the waves along the Laguna Beach coast has formed an unlikely bond with a young white seal.
An Orange County landfill has been cited for foul odors after Irvine neighbors complained about the stinky smell.
Deputies say that the suspect had run from the spot of a hit-and-run crash before they tried to take him into custody.
An unlicensed 15-year-old driver crashed into a motorcyclist on Friday morning in the midst of a school walkout against federal immigration operations across the country.
A motorcyclist who was fleeing from Riverside County Sheriff's Office deputies died after crashing into an uninvolved car at a Perris intersection on Thursday afternoon.
The California Highway Patrol closed one lane of the southbound I-15 Freeway near Eastvale after a dump truck crashed its trailer into an overpass.
Riverside County installed a new camera system on the 91 Freeway to crack down on carpool lane violators.
Savannah Guthrie released a new video on Saturday, saying her family is willing to pay for the safe return of their mother.
More than 35 local, state and federal agencies have been working for the last 18 months to prepare for Super Bowl LX in Santa Clara, California.
Actor Timothy Busfield has been indicted on four counts of criminal sexual contact of a child, officials said Friday.
The footage is included in a video that promotes false claims that the 2020 presidential election was rigged against Mr. Trump.
The FBI has arrested "one of the key participants" behind the attack on U.S. facilities in Benghazi, Libya, in 2012 that killed four Americans.
Skier Chris Lillis said he was "heartbroken about what's happened in the United States," while skater Amber Glenn said she "will not just be quiet."
President Trump late Friday addressed a video posted to his social media account that included a racist depiction of Barack and Michelle Obama as apes, telling reporters he didn't see the part that showed the former president and first lady.
The footage is included in a video that promotes false claims that the 2020 presidential election was rigged against Mr. Trump.
The FBI has arrested "one of the key participants" behind the attack on U.S. facilities in Benghazi, Libya, in 2012 that killed four Americans.
Newly released documents from the Epstein files raise more questions about activity seen on video from the jail the night he died.
San Francisco officials said Tuesday that the city has filed a lawsuit against leading manufacturers of ultra-processed foods, accusing them of producing products linked to serious health issues and alleging that the companies knowingly made the foods addictive.
A bill that would reverse a 25% tax increase on California's legal cannabis industry is heading to Gov. Gavin Newsom's desk, after being approved by the legislature.
Meal kit delivery firm HelloFresh will pay $7.5 million to settle a lawsuit accusing it of misleading customers and making it difficult for them to cancel their subscriptions.
With the help of her daughter and her 5th-grade class, CBS News California (KCAL) Investigative reporter Julie Watts investigates "Sephora Kids" concerns.
A Southern California man has pleaded guilty for his role in a scheme that stole more than $2 million from San Francisco-based food delivery company DoorDash, federal prosecutors said.
Health officials said that the traveler arrived at LAX's Tom Bradley International Airport Terminal on a Viva Aerobus Flight on Jan. 26.
Orange County health officials have confirmed their second measles case of 2026 in an international traveler who arrived in California at Los Angeles International Airport before visiting Disneyland and California Adventure last week.
Millions of people with an Affordable Care Act health plan face a massive jump in premiums next year — this chart shows just how much.
"I don't know how I'm going to pay for this," said one person with an Affordable Care Act plan that will cost her $1,100 a month starting in January.
San Francisco officials said Tuesday that the city has filed a lawsuit against leading manufacturers of ultra-processed foods, accusing them of producing products linked to serious health issues and alleging that the companies knowingly made the foods addictive.
The Fremont factory will still manufacture Model 3 and Y, but the space where Model S and X are made will instead focus on mass production of Tesla's Gen 3 Optimus robots.
About 30% of San Francisco was without power at the height of the outage, according to utility provider PG&E.
The DMV said it is giving Tesla Motors 60 days to address its misleading use of "autopilot," or it could have its dealer license temporarily suspended.
California is set to join a growing list of states banning the practice of cat declawing, under a new law taking effect in January.
San Francisco officials said Tuesday that the city has filed a lawsuit against leading manufacturers of ultra-processed foods, accusing them of producing products linked to serious health issues and alleging that the companies knowingly made the foods addictive.
Trent Perry scored 23 points, Donovan Dent had 17 points and 10 assists, and UCLA beat Washington 77-73.
LeBron James had 20 points, 10 assists and seven rebounds to help the Los Angeles Lakers beat the Golden State Warriors 105-99 on Saturday night.
Terrance Gore, a former outfielder and three-time World Series champion known for his blazing speed on the base paths, has died at 34 years old, according to Major League Baseball officials.
The U.S. ended Saturday in first place with 44 points. Japan was five points back going into the men's, women's and pairs free skates to decide the medals Sunday.
Lakers' big man Jaxson Hayes will represent the team in the 2026 AT&T Slam Dunk Contest when All-Star Weekend heads to the Intui Dome in Inglewood next weekend.
Brad Arnold, the founder and lead singer of the 3 Doors Down has died following "his courageous battle with cancer," the rock band announced Saturday on social media.
Don't miss the 2026 Winter Olympics opening ceremony. Here's how to watch live, stream for free and catch replays.
The sheriff says the note was sent to a local Arizona news station, which agreed not to report on it, following the disappearance of "Today" show co-host Savannah Guthrie's mother, Nancy Guthrie.
Josh D'Amaro, who oversees Disney theme parks and dozens of resort hotels worldwide, will become the next Disney CEO.
Chuck Negron, a founding member of Three Dog Night whose lead vocals powered a string of hits for one of the top rock acts of the late 1960s and early '70s has died. He was 83.
A wolf has visited Los Angeles County for the first time in at least 100 years, according to California Department of Fish and Wildlife officials.
Orange County health officials have confirmed a second measles case in a person who visited Disneyland in January, just one week after reporting the first case.
Zach Boetto reports from Altadena, where a family living outside of their home destroyed by the Eaton Fire says that they were ticketed by Los Angeles County Parking Enforcement twice last week.
Surveillance video footage captured the moments that an alleged burglar broke through the roof of a Woodland Hills jewelry store before taking off with approximately $100k in merchandise, owners say.
Lauren Pozen provides an update on the pool of candidates for Los Angeles mayor after Council member Nithya Raman announced that she was entering the race on Saturday.
Widely considered the greatest architect of his time, Frank Gehry helped shape Los Angeles' skyline.
A suspect was taken into custody after an attack on Pearl Street Mall in Boulder on June 1 in which there were 15 people and a dog who were victims. The suspect threw Molotov cocktails that burned some of the victims, who were part of a march for Israeli hostages.
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
The Franklin Fire in Malibu quickly grew overnight and threatened several homes. Evacuation orders were issued and Pepperdine University instructed students to shelter in place.
Several people have been injured and multiple homes burned after the Mountain Fire broke out Wednesday morning in Ventura County, burning over 10,000 acres within hours.
