A member of the Boulder County Sherriff’s Office walks with a dog in front of the Boulder High School after police responded to an unconfirmed report of an active shooter in Boulder, Colorado, U.S., February 22, 2023. REUTERS/Kevin Mohatt
A member of the Boulder County Sherriff’s Office walks with a dog in front of the Boulder High School after police responded to an unconfirmed report of an active shooter in Boulder, Colorado, U.S., February 22, 2023. REUTERS/Kevin Mohatt