Simple:
* The thieves stole the jewelry from the museum.
* The police caught the thieves red-handed.
* Thieves often target homes when people are on vacation.
More complex:
* Despite the advanced security system, thieves managed to infiltrate the building and steal valuable documents.
* The city's growing poverty problem has led to an increase in petty theft, with thieves targeting tourists and locals alike.
* The detective's intuition told him that the group of thieves were involved in something much bigger than a simple robbery.
Figurative:
* The pandemic has been a thief of time, stealing precious moments from us.
* The internet can be a thief of attention, diverting us from important tasks.
* The dark cloud of doubt was a thief of joy, stealing away her happiness.
Remember: The context of your sentence will determine the best way to use the word "thieves."