Vent tool

[firephoenix2k6]

hi i am trying to get the cigerette achievment on butcherbay but i dont know how to open the vent hatch when you come to the tolilets after you get the eye shine achiement
could some tell me were to get the vent tool from
thanks:mefiant:

[Macgyver]

You get it from the inmate that sells equipment in the mess hall.