Kathy O’Neil, 68, told NBC News at a campaign stop in Erie that she felt Shapiro has "done so much for us."
His support from law enforcement, including the Pennsylvania State Troopers Association and Philadelphia Fraternal Order of Police — two groups that have endorsed Oz in the Senate race — stood out to her, too.
(Mastriano, 58, has said Shapiro has a “grudge” against the church, while some Catholic organizations believe Shapiro went too far).
To take on Shapiro, Mastriano has struggled greatly to raise money and draw financial support from outside Republican groups to boost his campaign.
During a campaign stop in Clarion, Shapiro pledged to advocate for "forgotten" parts of the state.