Jon Swaine

• National

The warning from local law enforcement of insufficient resources adds to questions about whether there was adequate security for the high-stakes presidential campaign visit.

• Investigations

A Post analysis of the video backs up reports from other witnesses, who have said they tried to alert police in the moments before shots rang out.

• National

In a Pennsylvania field, confusion and then terror gripped thousands as gunfire rang out over a Trump rally.

• Media

William Lewis holds a stake in a start-up that has reached a deal with The Post to collaborate. The Post said the arrangement conforms with its conflict-of-interest policy.

• Visual Forensics

Faculty had raised alarms in the days before the attack on pro-Palestinian protesters. That night, one witness called emergency services 11 times before police intervened.

• Investigations

A Post examination found that losses of engine power, part of what the Dali experienced when it crashed into the Key Bridge in Baltimore, are not uncommon.

• D.C., Md. & Va.

Officials announced President Biden will visit the bridge collapse site Friday. A channel has also opened for Baltimore port access.

• Maryland

A director of a Baltimore ministry was in touch with those aboard the Dali after their ship crashed into the Francis Scott Key Bridge in Baltimore.

• Politics

Richard Grenell has been acting as a kind of shadow secretary of state, meeting with far-right leaders and movements, and pledging Donald Trump’s support.