[syshum]

>In the terrorism cases, a sting would be the FBI giving someone a fake bomb

No that should be entrapment

A Sting is where they get a tip that criminal action might be happening and they are there to catch the criminals in the act

Not where the FBI creates the plan, induces people into the plan, provides support for the plan, provide materials for the plan, then arrests everyone.

That is or should be considered entrapment, which I also consider framing someone

[selectodude]

If I ask the FBI for a bomb and they give it to me and then arrest me that isn’t entrapment. That’s me being a jackass.

If the FBI put cocaine in my car and then pulled me over, that’s framing.

I’m not entirely sure what either of these things have to do with getting arrested for creating and selling exploits.

[mattnewton]

IANAL, but I entrapment can occur when law officers enticies the suspect to commit a crime the wouldn't normally https://en.m.wikipedia.org/wiki/Entrapment

The definition of "wouldn't normally" looks like some hairy case law, but it isn't as simple as you are saying. If they are offered a bomb for sale after a lengthy conversation about how great terrorism is and how important it would be for them to take the bomb, you could possibly have an entrapment case for example.