McCann was released from prison after serving just over ten years of her sentence, and began working for Sinn Féin in the POW Department and Women's Department. She is active on a number of projects in her community, including the Sally Gardens Community Centre Committee, the Safer Neighbourhoods Project, the Colin Community Festival, and the Falls Community Council's Community Drugs Programme.
Personal life
McCann is married to former IRA prisoner Rab Kerr, with whom she has three children.