There are numerous red flags in the papers, with the most obvious in the first data plot. (science.sciencemag.org)
It's been documented from other school shootings that there are numerous red flags from the individual before the violent explosion. (confidentparentsconfidentkids.org)
Livent's Receiver Manager sued former Livent auditor, Deloitte & Touche for issuing clean audit opinions and a comfort letter to potential investors in the face of numerous red flags indicating fraud by senior management that it said Deloitte should have detected. (thelitigator.ca)