WARNING: Video contain disturbing content. Viewer discretion is advised. Law enforcement officials in South Florida are now questioning the person they believe opened fire at a high school an hour north of Miami. Officials believe 19-year-old Nikolas Cruz killed at least 17 people and injured dozens more before he was finally apprehended.
- Florida high school shooting: what we know about alleged shooter Nikolas Cruz
- Former student opens fire at Florida high school, 17 people confirmed dead