[5] In 2015 her short documentary, I Married My Family's Killer, on intermarriage in post-genocide Rwanda, won the Student Academy Award.
In 2016, she won the World Press Photo award for the cover up of DuPont's chemical spill in West Virginia[8] and was also named NPPA's multimedia portfolios of the year for her work on radicalization of ISIS operatives and corruption in the pharmaceutical industry.
[13] In 2019, her New York Times documentary on sexual abuse in immigrant detention was used in the senate judiciary hearings on child separation, and subsequently won the World Press Photo award and earned an Emmy nomination.
[18] After smuggling into Taliban territory with PBS Newshour correspondent Jane Ferguson to report on their imminent siege of Kabul, Kassie was part of the PBS NewsHour team to win the Overseas Press Club award for a series on the fall of Afghanistan in 2021.
The film follows an investigation into abuse and missing children at an Indian residential school near the Sugarcane reserve in British Columbia.