https://www.pbs.org/video/a-grave-injustice-xo5lhj/

Shortly after the attack on Pearl Harbor in December 1941, the U.S. military and the FBI arrested more than 110,000 American citizens of Japanese ancestry. Taken to desert camps and confined for months or years, many of these Americans lost their homes and businesses. We visit the largest of these camps, now a National Park Service site — and meet those keeping memory alive.