Former President Donald Trump is not expected to attend the funeral of Corey Comperatore, the 50-year-old spectator who was shot and killed at Saturday's rally, sources told ABC News.

Comperatore, a firefighter, died shielding his family from the gunfire, officials said. He’s survived by his wife and two daughters.

Comperatore’s obituary said friends can pay their respects on Thursday. Funeral services will be private, the obituary said.

-ABC News’ Soorin Kim, Kelsey Walsh and Lalee Ibssa

New video obtained exclusively by Pittsburgh ABC affiliate WTAE appears to show gunman Thomas Matthew Crooks pacing just beyond the boundaries of the Trump rally at 5:06 p.m. Saturday -- about 1 hour and 5 minutes before shots were first fired. Law enforcement sources said they believe this video shows Crooks.

House Homeland Security Committee Chairman Mark Green, R-Tenn., has invited several members of Pennsylvania state and local law enforcement to testify before the committee in the "coming days."

The invited law enforcement officers are: Pennsylvania State Police Commissioner Col. Christopher Paris, Butler County Sheriff Michael Slupe and Butler Township Police Lt. Matthew Pearson of the Butler Township Police Department.

The Secret Service requested a local police cruiser to be staged at the building where the shooter was perched when he attempted to assassinate former President Donald Trump, but local police were not able to provide one, according to two sources familiar with the situation.

The Secret Service was told before the rally that local police would not be able to stage the cruiser by the building, sources said.

The detail was first reported by the Washington Post.

-ABC News’ Luke Barr and Josh Margolin