Gabbard's testimony highlights concerns over election integrity.
The US director of national intelligence linked the seizure to a US attorney's actions.
The testimony revives discussions around the 2020 election conspiracy theories.
Strategic angle: Tulsi Gabbard's testimony brings to light the controversial role of conspiracy theories in the context of voting machine seizures.
Gabbard's testimony highlights concerns over election integrity.
The US director of national intelligence linked the seizure to a US attorney's actions.
The testimony revives discussions around the 2020 election conspiracy theories.