>i had no idea that in Canada of all places "cops can use evidence even if seized illegally."

according to [1], it's not a blanket yes or no. it's a balance of whichever choice would make the justice system look worse. ie. turning someone's home up-side down to find 1g of weed vs a serial murderer getting away with murder because the judge didn't fill out the paperwork properly.

[1] https://en.wikibooks.org/wiki/Canadian_Criminal_Procedure_an...