Mike Hager was the only person allowed through the gates, while the rest of his family was left behind, including his sickly mother, Naimma.
Large protests are expected on Tuesday in opposition to an executive order signed by President Donald Trump to advance the Dakota Access Pipeline and the Keystone XL pipeline.
Invoking the words of Martin Luther King Jr., the president said the country needs to possess a "fierce urgency of now" to combat gun violence and not only discuss the latest mass shooting, but prevent it.
