<prompt> Translate the following text to EnglishMwanasheria wa umma haendi chini ya sheria ya serikali kwa sababu anafanya kazi chini ya kanuni za uwajibikaji wa kitaaluma ambazo zinamruhusu kufanya uamuzi wa kujitegemea kwa niaba ya mteja wake na kwa sababu kuna dhana kwamba mwanasheria atakuwa huru kutoka kwa udhibiti wa serikali.  <response>: holding that a public defender does not act under color of state law because he works under canons of professional responsibility that mandate his exercise of independent judgment on behalf of the client and because there is an assumption that counsel will be free of state control. 