Crystal Miller describes the scene of Columbine Shooting at North Platte High School. She visited the school in 2010, to share her experience. The Columbine High School massacre was a school shooting which occurred on April 20, 1999, at Columbine High School in Columbine, Colorado.Two senior students, Eric Harris and Dylan Klebold, murdered a total of 12 students and one teacher. The pair then committed suicide.

Father of a murdered Columbine student, Brian Rohrbough, discusses what it was like to see his son dead on the ground in the newspaper and how he has failed as a father. Mr. Rohrbough remembers going to the school and seeing police, barriers, screaming adults and crying teenagers. His life changed forever when he saw his sons dead body in the paper the next day. His first person account reveals that Mr. Rohrbough regrets sending his son to a pagan school because it teaches evolution, allowing kids to believe that they need to kill the weak for survival. The Columbine High School massacre was a school shooting which occurred on April 20, 1999, at Columbine High School in Columbine, Colorado.Two senior students, Eric Harris and Dylan Klebold, murdered a total of 12 students and one teacher. The pair then committed suicide.

27-year-old Anne Marie Hochhalter remembers the day she lost her ability to walk in the Columbine High School massacre. Her first person account reveals that she was shot and had to undergo four hours of surgery. Shortly after the shooting, her mother committed suicide. Anne remembers feeling, lost, angry and confused at having lost so much in her life. The Columbine High School massacre was a school shooting which occurred on April 20, 1999, at Columbine High School in Columbine, Colorado.Two senior students, Eric Harris and Dylan Klebold, murdered a total of 12 students and one teacher. The pair then committed suicide.

Katie Lyles, elementary school art teacher in Colorado, was also a student during the shooting rampage at Columbine High School. Her first person account shares her fear for her students now, and how the world needs to take a closer look at how to help those with mental illnesses and how to strengthen gun control. The Columbine High School massacre was a school shooting which occurred on April 20, 1999, at Columbine High School in Columbine, Colorado.Two senior students, Eric Harris and Dylan Klebold, murdered a total of 12 students and one teacher. The pair then committed suicide.

Bao Pu witnessed the Tiananmen Square protests as a college senior. He discusses how students felt at the time and his own experience during the June massacre.

Fang Zheng, a student during the Tiananmen Square protests, talks about losing his legs to a military tank as he exited the Square on June 4th. The protests were student-led demonstrations in Beijing which took place in the spring of 1989 and received broad support from local citizens and labor rights groups.

Reporter Kate Aldie covered the Tiananmen Square protests in 1989 and discusses her time in China as a Western journalist far from home.

Workers' rights activist Han Dongfang was a prominent figure at the Tiananmen Square protests. He speaks about organizing worker involvement, the weeks leading up to the June 4th Massacre, and his subsequent arrest.