There's some interesting things to note about Floyd's behavior while he's in the store. Firstly, he's clearly under the influence. He is showing the "jitters" that meth heads display (oh look at that- meth in his system!), seems very excited and happy about something- **I believe this is "dupers delight".** Ever hear of that? "Duper's delight" is easy to observe in bad liars, like children- often when children are trying to lie, there might be a little smirk that appears on their face. They know what they're doing is wrong, and they think "Haha, I'm fooling this sucker, I'm so good, I'm about to get away with this!" That's duper's delight. Good criminals/liars will not show this, unless intoxicated or something. Here, Floyd thinks he's about to pass off this fake $20 and get real cash to go outside and pay his waiting drug dealer. He is so proud of himself, he is *exuding* confidence, approaching and bothering other customers, dancing around, drawing a lot of attention to himself- **all signs that this guy is up to something.** It's the old "Hm hm hm, I'm just shopping, nothing to see here, hello fellow shoppers!" trick. But you can see him almost physically deflate when the cashier confronts him. "Sheeeeit, he ain't buyin' it, I gots ta go somewhere else". I think the cashier mentioned the police, because you can see Floyd's body language suddenly turn from "very open and inviting" to "defensive and nervous". He goes outside to the car, but unfortunately for him, Officer Chauvin just happened to be nearby when the call came in. Knowing that this was a drug deal clarifies everything. I remember watching the vid for the first time, and wondering "Why is this nigger so surprised/startled?" It's because he had his drug dealer in the car, and they were in the middle of business; *serious* business, felony drug dealing.