Claim: News stories about a mass shooting at a Florida high school were timestamped days earlier than 14 February 2018, which prove that the mass shooting was actually a "false flag" hoax.
Fact-check: FACT CHECK: Were News Stories About the Florida Mass Shooting Posted Days Before It Happened?
Verdict: false
Organisation: Snopes
Author: Bethania Palma
Date published: 2018-02-20T16:38:28