John McDonald, the head of security for JeffCo schools, said he was "thankful this threat is over and we can get back to the business of learning."
Jaclyn Schildkraut's motivations are deeply personal. She grew up near Parkland, Florida, and her brother went to Stoneman-Douglas High School.
The Department of Defense, which originally funded the clinic, has issued two more grants to help it expand treatment.
Air Force officials say repairs to Tyndall AFB will cost more than $3 billion after Hurricane Michael damaged all 1,200 of its buildings in October.
Fireworks, drones, and habitat relocation projects are among the ways that Air Force biologists are fighting the expensive and potentially deadly problem of bird strikes.
There were many parallels drawn between the 1999 Colorado shooting and the February shooting in Parkland, Florida.
Denver Public Schools says it will turn down several NRA grants that were to be awarded this year.
Frank DeAngelis, who retired from Columbine in 2014, said the shooting survivors will deal with the tragedy in different ways.