MR P DE CASTRO
It was a target because they wanted money and they knew financially they would find some money in that place and that is what, exactly what they say when they came running into the supermarket, they want money and if they were there to shoot people they should have, when they came in they shouldn't have asked for money or, they should have started shooting straight away.  Only after a while they started shooting people when the realised that things had gone wrong for them.