From the article:

Bomer describes a Detroit poll worker who used correction tape to rig the machines to generate errors that could be overridden by staff.

“Our goal was to secure the vote.” Bomer raised her concerns at the time with the GOP Attorneys on-site but nothing appears to have been done in response to her statements.

“Now? I don’t have faith in any election system after having witnessed this fraud happen right before my eyes,” Bomer said