MyPillow chief executive Mike Lindell said Tuesday that federal agents seized his cellphone and questioned him about a Colorado clerk who has been charged in what prosecutors say was a "deceptive scheme" to breach voting system technology used across the country.

Lindell was approached in the drive-thru of a Hardee's fast-food restaurant in Mankato, Minnesota, by several FBI agents, he said on his podcast, "The Lindell Report." The agents questioned him about Dominion Voting Systems, Mesa County Clerk Tina Peters and his connection to Doug Frank, an Ohio educator who claims voting machines have been manipulated, he said.

The agents then told Lindell they had a warrant to seize his cellphone and ordered him to turn it over, he said. On a video version of his podcast, Lindell displayed a letter signed by an assistant U.S. attorney in Colorado that said prosecutors were conducting an "official criminal investigation of a suspected felony" and noted the use of a federal grand jury.

The circumstances of the investigation were unclear. The Justice Department did not immediately respond Tuesday night to a request for comment about the seizure or investigation.... Read More: FOX45