Iran tightens security before anniversary of Mahsa Amini's death

One year ago, a young Iranian woman died in police custody after she was arrested for taking off her headscarf, or hijab, required under the laws of the Islamic Republic. Huge protests followed, led by women. Tehran special correspondent Reza Sayah has the story of some of the women who participated in the protests and others who did not. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: TikTok:   / pbsnews   Twitter:   / newshour   Instagram:   / newshour   Facebook: http://www.pbs.org/newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe