The former law enforcement officer was invited to speak before the shooting occurred but did not want to go back on his word by canceling his appearance.
Sen. Martha McSally often toes the party line, but hasn't yet said which Republican she'll support to lead the Senate should her party maintain a majority.
The new ad, titled “Mourning in America,” blasted Trump’s response to the coronavirus crisis and highlighted the devastating public health and economic toll of the pandemic.
