While the police raiding party was composed in part of Temporary Cadets from Depot Company and commanded by an Auxiliary officer, Major Mills, eyewitness reports make it clear that the RIC did most of the shooting at Croke Park.
Mentres que as tropas de ataque da policía estaban compostas en parte por cadetes provisionais da Compañía do Depósito e dirixidas por un oficial dos Auxiliares, o Comandante Mills, testemuñas presenciais deixaron claro que a policía normal fixo a maior parte dos disparos en Croke Park.