On February 14, 2018, 19-year-old Nikolas Cruz

opened fire on students and staff at Marjory

Stoneman Douglas High School in Parkland

Florida, murdering 17 people and injuring 17 others

a former student at the school, fled the scene on foot by blending in with other students

and was arrested without incident approximately one hour later in nearby Coral Springs.[5]

Police and prosecutors investigated "a pattern of disciplinary issues and unnerving behavior

The killing spree is the deadliest high school shooting in United States history, surpassing the Columbine High School massacre that killed 15, including the perpetrators