▁Joe ▁Clark , ▁and ▁John ▁Turner . ▁E igh teen ▁others ▁signed ▁the ▁statement , ▁including ▁five ▁former ▁Supreme ▁Court ▁just ices , ▁seven ▁former ▁Liberal ▁solic itors ▁general ▁and ▁minister s ▁of ▁justice , ▁three ▁past ▁members ▁of ▁the ▁intelligence ▁review ▁committee , ▁two ▁former ▁priv acy ▁commission ers ▁and ▁a ▁retired ▁RC MP ▁watch dog . ▁The ▁statement ▁calls ▁for ▁stronger ▁security ▁o vers ight , ▁as ▁" ser ious ▁human ▁rights ▁ab uses ▁can ▁occur ▁in ▁the ▁name ▁of ▁maintain ing ▁national ▁security ". ▁ ▁On ▁March ▁ 1 , ▁ 2 0 1 5 , ▁the ▁Pir ate ▁Party ▁of ▁Canada ▁provided ▁a ▁press ▁release ▁in ▁opposition ▁to ▁the ▁bill , ▁calling ▁for ▁debate , ▁criticism ▁and ▁discussion . ▁Among ▁their ▁critic isms , ▁they ▁believe ▁that ▁the ▁bill ▁is ▁redundant ▁as ▁there ▁are ▁exist ent ▁laws ▁dealing ▁with ▁terror ists , ▁and ▁this ▁proposal ▁opens ▁the ▁potential ▁for ▁government al ▁ab use ▁as ▁it ▁" will ▁also ▁allow ▁the ▁government ▁to ▁arrest ▁and ▁in car cer ate ▁any ▁citiz en ▁based ▁on ▁subject ive ▁evidence , ▁then ▁have ▁that ▁evidence ▁destroyed ". ▁ ▁On ▁March ▁ 6 , ▁ 2 0 1 5 , ▁Daniel ▁Ther rien , ▁the ▁Priv acy ▁Commission er ▁of ▁Canada , ▁stated ▁that ▁the ▁powers ▁of ▁Bill ▁C - 5 1 ▁" are ▁excess ive ▁and ▁the ▁priv acy ▁saf egu ards ▁proposed ▁are ▁seriously ▁def ic ient ". ▁He ▁speak s ▁to ▁the ▁potential ▁of ▁limit less ▁powers ▁within ▁the ▁ 1