Washington, D.C., is filled with journalists. Here’s a primer on filming police and soldiers in public places.

With National Guard troops patrolling Washington, D.C., on orders of the Trump administration, and the residents of that city both actively protesting and generally annoyed at this development, confrontations may erupt.

It doesn’t matter whether you are a journalist; we all have the same right to free speech in public places. This includes sidewalks, streets, Metro stations, parks and government buildings. That right to free speech includes the right to take pictures and record video.

Here is some basic information for journalists and others who want to document law enforcement and soldiers working in D.C.