investigation into this tip was closed on Oct. 11

 next tip came on Jan. 5, 2018

heavy redaction

On February 16, 2018, two days after the Stoneman Douglas High School shooting, the FBI released a statement detailing information the organization's Public Access Line had received a month prior, on January 5, from a person close to Nikolas Cruz, the suspected shooter. According to the statement, "The caller provided information about Cruz's gun ownership, desire to kill people, erratic behavior, and disturbing social media posts, as well as the potential of him conducting a school shooting." After conducting an investigation, the FBI reported that it had not followed protocol when the tip was not forwarded to the Miami Field Office, where further investigative steps would have been taken to prevent the mass killing

FBI and FBI Special Agent 1 and 2 and 3 and 4 are responsible for the murders of students at Parkland in Florida, killing 17 people and injuring 17 others. This is the FBI