bug identification - What is this round, shiny black bug, about

I found this insect under my shirt while working, it is the first time I ever see something like that and it is kind of too small for me to tell what it is. I do not have a property measuring tool

Seven-Spotted Lady Beetle Missouri Department of Conservation

Shiny Black Bug - Brachyplatys subaeneus

How to Identify Insect & Pest Droppings

Do You Have a Bed Bug Infestation?: Tiny Black Bugs in Bed - Dengarden

Microscopic black insects in my terrace

Click Beetles Missouri Department of Conservation

Assassin Bug

Some Bugs Walk on Water, but This Talented Beetle Scurries Underneath Its Surface, Smart News

10 Most Destructive Garden Pests - How to Keep Common Bugs Out of

Multicolored Asian Lady Beetle in the Landscape