Had a chat with a land owner friend who said he had plenty of crow showing on a strip of maize he had cut and he had put a bale hide out for me. Set out before first light and had plenty of crow coming in and the odd pigeon showing had a really good start to the day. Then I noticed a car drive past me on a nearby road it drove up and down 3 times . On the third occasion the vehicle stopped and a man came storming down the field and shouted you haven't got permission to shoot this field and if you don't **** off I will knock you out. I just could not believe it I told the man that he was trespassing and perhaps he should think about how he talks to people as he may come unstuck if he speaks to the wrong person like that ,with that he stormed off and drove off. About 20 minutes later a keeper friend of mine turned up and said he had a shoot tomorrow and the fields either side he would like to shoot . I chatted to him for 20 minutes and I said to him I would pack up and go on another permission which also had cut maize , I stated to him his under keeper needed to learn some manners and if he would have been polite earlier I would have packed up , has anyone experienced these sorts of incidents.