Pádraigin was wearing a plain long-sleeved dress in charcoal-grey wool and her hair was tied back with a grey satin ribbon, but Katie thought the severity of her appearance made her look unusually attractive, like a sexually repressed bunscoil teacher. ‘It took a while, ma’am, but I’ve found out at last who ordered that taxi that picked up Gerry Mulvaney.’ ‘Good work. Who was it? Or did he order it himself?’ ‘No, no, he didn’t. It was ordered on account, but the controller at Tuohy’s Taxis who took the call was off duty last night when I rang them. He’d left no note about that particular job, and nobody at the taxi office knew where he was – out on the lash, as usual, so they said – so I had to wait until he came in this morning. He told me the taxi was ordered by a woman called Grainne Buckley. It seems like she orders nine or ten taxis a week, sometimes more.’ ‘Really? Where does she live?’ ‘Tuohy’s always send her invoices care of McMahon’s solicitors in South Mall, and they pay them online.