Some after, a robber hands another teller a note. She asks for Identification and he dutifully hands her his valid driver’s license.

One was a guy driving a Winnebago. He put it in cruise control, then went in the back and made a sandwich.

After surviving the crash, he sued Winnebago for not giving enough instructions, in their Owner’s Manual, and WON ! Got a new camper too.

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Another was a man who broke into a house. The people were on vacation for 2 weeks.

I cant recall how exactly, but he went into the garage. The door ( from the kitchen to garage)lock was set, so he accidentally locked himself in there.

They had disconnected the garage door ( or rigged it not to work somehow) It didnt open.
He lived on dog food for 2 weeks, til they came home.
Sued them ..and WON !

Yes, there are many fine examples of dumb crook stories. Some are laced with bad luck, too, like the story of the poor fellow who had stolen a wallet and checkbook and tried to forge a check and cash it. As “luck” would have it, the banker to whom he gave the check (and stolen ID) was the true owner of the check and stolen ID.
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Then there’s the Texas fellow who tried to pay his arranged $9600 fine with, you guessed it, a forged check!
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I’m not sure this is dumb, but it makes you wonder. A local man in my hometown was arrested for shoplifting in a nearby town. What did he steal? Just a toothbrush and Ex-lax.
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A fair number of crooks have written robbery notes on papers with their name and address on them. A classic event that might be a bit apocryphal or might be true is posted all over the Web as are many, many others. This one is pasted from http://www.lwcbooks.com/crooks.html and is worth reading:

Wearing a ski mask and carrying a gun, a thief burst into a bank in Florida one day. Aiming his gun at the guard, the thief yelled, “Freeze, mother stickers, this is a f— up!
For a moment, everyone was silent. Then the snickers started. The guard completely lost it and doubled over laughing. It probably saved his life, because he’d been about to draw his gun. He couldn’t have drawn and fired before the thief got him.
The thief ran away. The bank, in memory of the event, put a plaque on the wall – “Freeze, Mother-Stickers, this is a F— Up!”
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One of my very favorites goes back to a long time ago in Australia. A prisoner had been a model of cooperation and worked himself up to trustee status. He worked in the prison receiving docks, loading and unloading trucks, among other duties. Well, it seems his improved behavior was motivated by a grand scheme of escape.
One day he slipped into a large container of a bakery truck that was outbound after dropping off bread and other goodies. The container was wheeled into the truck, which then moved on to its next destination. When it got there, the man made his break…but he was a bit disappointed at being inside a different prison.
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Ah, well…………..onward. I look forward to reading other offerings. Thanks for a great question.