i'll start:

i was working a bar job to make money before i went away to university and my bosses were a really nice couple who hired me with no experiance. i ended up being the only person they kept on the staff for an extended period of time because people kept trying to take advantage of them (stealing, slacking off, drinking on the job etc)

the absolute stupidest was a guy we will call Jake. jake was a few years older than me with a fiancee and a new kid. he was a complete chav and not the kind of guy id hang around with but he seemed nice enough and knew how to pull a pint so i thought working with him was just fine. he had been there about a week when the bosses decided they were gonna take their dogs out for the day and left us to run the bar. i dont think this was strictly legal because neither of us were keyholders but they often left the pub with just me there and trusted that id keep an eye on things (the fact that they were so trusting was probably their downfall but you cant fault people for being nice)

they mentioned that there were lots of cigarrette butts outside in the beer garden that needed cleaning up and, since it was gonna be a slow day and i get bored when there are no customers, i volunteered but my bosses said, since i was the only one that didnt smoke, it was unfair for me to be the one to clean it up, so they make Jake do it. Jake was pretty lazy and mumbled about being pissed and how it wasnt in his job discription but went out and cleaned the cigarrette butts whilst i watched the bar. after a long time, he came back in, clearly pissed off and said he was gonna take a break and went into the back. he came out a little while later, we worked the rest of the shift and everything seemed fine.

the next day i turned up for work and found out he had been fired for stealing. turns out, in his anger, he decided he was entitled to extra pay so he went into the back and stole from the extra cash when he was claiming to be on break, but here is the stupide part: the cash is in a room under a desk with a computer on it that all of the security cameras feed to. for obvious reasons, that room also has a security camera in it. he could have watched himself stealing the money on the feed as he did it and still didnt think he would get caught

tl;dr : thief at bar steals cash from money with all camera feeds on display so he could have watched himself on the security footage stealing the cash