These were personal stories shared to me by friends and family of loved ones whom this happened too.
But a quick duckduckgo search shows a bunch of results
such as this article
The reports have received international attention for what they highlight, including patients being euthanized despite untreated mental illness and addictions, unclear medical diagnoses and suffering fuelled by housing insecurity, poverty and social marginalization. https://theconversation.com/maid-and-marginalized-people-coroners-reports-shed-light-on-assisted-death-in-ontario-241661
Honestly the tankie takes justifying atrocities is nearly as bad as the conservative takes justifying the same.