I called in at my local Tescos with one of their new 10p carrier bags which is meant to be reused, had some price marked PG tea bags with a large price mark on it I'd brought from a local shop in this bag. I was shopping around and I had a basket, I went to the till, handed the bag over to be filled and without consent the person serving me took these tea bags out of my bag and had held them up even though they had the yellow price on them and said loudly "Are you paying for these?" I was gobsmacked the fact not only did she go into my bag without consent but pretty much accused me by saying I'd got them from there... I turned around and there was a queue, I felt everyone's eyes on me. I got no apology although I pointed out the fact they had a price mark within the packaging. I'm self employed and I live local to Tescos and so do my 400 customers, Tescos is a place where I often see my customers and I've even been paid by customers in this store when I'm shopping. The staff seem to do nothing but spy on me when I'm using the self option till or they are either on crafty ciggy breaks or patting customers puppies. I've requested cctv footage but was told it would be £10 then was told I could not access it. I was hoping on your advices as I'm thinking about legal advice, especially if any my customers was in the queue. Thanks.