Cops: Grandmother's tip foils school attack plot
Joshua O'Connor, 18, allegedly wrote detailed plans for an "infamous" attack that would get "the biggest fatality number I possibly can"
U.S.
Woman took her dog for a walk; only Tinkerbell came home
Search continues for a mother of three who went missing after taking her beloved dog out for a walk
"He died a hero": Coach hailed for shielding students from gunman
Aaron Feis among first victims to be identified from rampage at South Florida high school
Dad who walked miles to work gets life-changing gift
Coworkers chipped in to help a single dad who walked miles each day to make his 4 a.m. work shift
Why school shootings should be considered a "top" homeland security threat
Wednesday's massacre marks the 18th school shooting just this year
FBI probes whether Fla. suspect made troubling YouTube post
Ben Bennight tells CBS News' Jeff Pegues he spoke with the FBI last year after an alarming comment was posted on one of his YouTube videos
Math teacher and students took cover in school shooting
Police say a former student killed 17 people and wounded more than a dozen others in the massacre
These may be the most germ-ridden places in your office
To avoid this year's dangerous flu bug, it's not just about who you come in contact with -- it's also what
What did Florida school do to prepare for an active shooter?
It's unclear if any plan could have stopped the suspected gunman from opening fire at Stoneman Douglas High School on Wednesday
School shooting suspect was troubled after mom's death, neighbor says
Nikolas Cruz had been bouncing around between homes following the death of his adoptive mother in November
Florida student: I saw my teacher get shot in rampage
Students and staff say there was chaos and confusion as a fire alarm was followed by gunfire
Alexander Polinsky accuses co-star Scott Baio of sexual harassment
"I was sexually harassed by Scott Baio and ultimately assaulted by him between the ages of 12 and 15 years old," Alexander Polinsky told reporters
17 killed in deadly shooting at Fla. high school
Broward County School Superintendent Robert Runcie said the suspect, Nikolas Cruz, was a former student of Marjory Stoneman Douglas High School
Romney cancels Senate announcement after school shooting
The former Massachusetts governor was scheduled to make an announcement Thursday
Winter Games 2018: Team USA's Mikaela Shiffrin wins gold in giant slalom
Norway's Ragnhild Mowinckel took silver and Italy's Federica Brignone took bronze in giant slalom Thursday
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White House restores financial disclosure page after CBS News inquiry
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U.S. offers $20 million for information on Iran's nuclear program
Armed man arrested near White House planned to kill Trump, DHS says
Can Trump work with Dems without insulting them?
Paraguay's president under house arrested after bank collapse
DOJ dropping suit over alleged noncitizen ballots
How 2 lifelong singles in the same town ended up married
Thomas Markle Sr., Meghan's father, arrested in Florida
