[6] Walker was employed for the 2000, 2001 and 2002 seasons as a host for Street Cents, a youth-oriented consumer and media awareness show, while she was still a journalism student in Saskatchewan.
[9] On February 6, 2015, The Eyeopener, the student newspaper at Toronto Metropolitan University, quoted comments Walker made during a panel on Indigenous Representation in Canada's media: Often news focuses on the really depressing stories... We want to provide a better context to some of these stories and increase the amount of indigenous voices that make it on mainstream media and hopefully provide a better understanding of the aboriginal communities.
[10]The Eyeopener also described how Walker told her audience about her disappointment over the disparity in coverage she noticed of two young girls who disappeared at roughly the same time.
In 2018 Walker launched season two of her Missing and Murdered podcast, focused on finding the truth behind the life and death of Cleopatra Nicotine Semaganis, who was removed from her family as part of the Sixties Scoop.
[14] On November 17, 2016, Toronto Metropolitan University's School of Journalism invited Walker, Karyn Pugliese, and Tanya Talaga to a panel on covering Indigenous issues.
[17][18] In 2009, Okanese, a personal documentary Walker produced about the community in which she grew up, earned an honourable mention at the Columbus International Film & Video Festival.
[20] Her work on the Missing & Murdered: Who Killed Alberta Williams podcast was recognized with a Webby Award nomination in the Documentary/Podcasts & Digital Audio category in 2017.