Dollar General

So I attempted to go to your Villa Park Store #08045 last night 10/22/16 as I just needed 3 items before they closed. I got there at 9:54 PM but found the doors locked & they were closed. The sign on door said 10 PM & a associate just looked at me but then walked away. I even double checked Google on my phone & it said closing soon so I knew my time wasn't wrong. I wonder what time they actually locked the doors? I have been in retail for many years & I know for a fact if my DM ever heard that I locked the doors even 1 minute early without his approval he would of had my Job. Plus I would & could never do that to my loyal customers. If we closed at 12 am then I'm leaving doors open till then. I know it's probably petty me doing this but like I said I only needed 3 items & was in a pinch, but instead I was inconvenienced when I had to go back home instead. I don't want the employees written up or anything but I think they should be made aware that this is not good customer service to practice this. I could even understand if there was a sign saying emergency & we needed to close or etc. Thanks for taking the time to read this Ron.