The FBI Was Warned About A School Shooting Threat From A YouTube User Named Nikolas Cruz In September  —  In September, a YouTube user named Nikolas Cruz left a comment on a video stating: “I'm going to be a professional school shooter.”  The video's creator alerted both the FBI and YouTube.

Nikolas Cruz, Florida Shooting Suspect, Was Expelled From School  —  The man suspected of opening fire inside a Florida high school on Wednesday, killing at least 17 people, is a former student who had been expelled for disciplinary reasons, the authorities said.

Florida School Shooting Death Toll Is at 17 and Could Rise  —  PARKLAND, Fla. — A heavily armed young man barged into his former high school about an hour northwest of Miami on Wednesday, opening fire on terrified students and teachers and leaving a death toll of 17 that could rise even higher, the authorities said.

Nikolas Cruz: Troubled suspect had been expelled from Marjory Stoneman Douglas High School  —  Sun Sentinel  —  Adopted at birth by a loving older couple, Nikolas Cruz seemed to struggle in recent years.  His dad died when he was much younger and the 19-year-old's mom died just 3 ½ months ago …

Florida school shooting suspect was ex-student who may have been flagged as threat  —  The former student suspected of opening fire at Marjory Stoneman Douglas High School in Parkland may been identified a potential threat to fellow students in the past, according to one teacher.

Florida high school football coach who was seen shielding students from gunfire dies  —  A beloved football coach who witnesses said shielded students as a gunman opened fire inside a Parkland, Fla., high school Wednesday, is the first of 17 fatalities to be identified.

Scores of top White House officials lack permanent security clearances  —  WASHINGTON — More than 130 political appointees working in the Executive Office of the President did not have permanent security clearances as of November 2017, including the president's daughter …