"Katie McGinty makes government work for her, not for us," the ad says.
"It would be nice if the FBI moved it along," she said.
"There is a level of excitement there for people about his messaging."
The legendary coach said the gaffe proves Cruz is unprepared to be president.
The Indiana paper knocks both Trump and Cruz.
About 20 people were arrested after the event in Costa Mesa, Calif.
Lisa Hagen 04/29/16 06:08 AM EDT
Katie McGinty and Sen. Pat Toomey are eyeing the top of the ticket.
Cristina Marcos 04/29/16 06:00 AM EDT
Female Republican lawmakers are making the case for a woman on the ticket.
"The whole thing is about winning," he said.
A man whose son was killed took the podium shortly after Trump came onstage.