Snipers were stationed inside the building where a gunman climbed the roof and attempted to assassinate former President Donald Trump, a source familiar with the investigation tells CNN.
The source said the local sniper team hailed from the Butler County Emergency Services Unit.
The team, according to the source, was located on the second floor providing overwatch of the crowd at the rally.
In the same vein, hearing people warn about a sniper on the roof might have been assumed to be other secret service, not a random person.