The woman was reportedly intercepted by prison guards and found to be in possession of 100 grams of hashish, two mobile phone chargers, headphones and several
syringes.
Reports claim the attorney, Manuela Alves, who lives in Braga, was taking the drugs and other banned items for a client being held at the facility.
The GNR police were called to the high-security prison and the lawyer was detained.
In related news, a woman has been detained at Lisbon airport on suspicion of drug smuggling. The 39-year-old foreigner was arrested after landing at Lisbon on a flight from Latin America. She was carrying enough cocaine for eight thousand individual doses inside her body.