Detective were last night quizzing a man and woman on suspicion of murdering a mum and using her home to store their drugs.
Sources have told the Irish Mirror the pair, who are both in their 30s, are suspected of preying on Lisa Thompson – and forcing her to mind their stash of illegal narcotics.
Gardai are working on the theory that the 52-year-old was stabbed to death at her home in Ballymun, North Dublin at the start of May after she had a row with two people.