Flock's CEO did not appear before a Senate Judiciary subcommittee hearing on its 'AI Surveillance Network,' even as lawmakers singled the company out by name.
The companies did not appear despite an invitation from Sen. Josh Hawley, who had suggested subpoenas could follow.
Nicole Saphier's testimony on vaccine safety appeared to diverge from statements made by President Trump and Health Secretary Robert F. Kennedy Jr., according to Scientific American.
A video report from Al Jazeera describes an unusual moment during a Senate hearing involving FBI Director Kash Patel, though specific details of the exchange were not elaborated in the report.