Investigators say the man and woman in their twenties took two puppies, a Havanese and a Shih Tzu poodle, from a store called Happiness is Pets on West Golf Road on Monday night.
A store employee said the two people came into the store saying they were interested in buying a dog. They were playing with the dogs in s pen when one of the dogs defecated.
When the employee left for a moment to retrieve a mop, the couple ran off with the dogs.
The dogs are microchipped and are valued at $2,065 each.
Anyone with information is asked to call 847-368-5300. Anonymous tips can be submitted via text (keyword: 847AHPD to 847411) or by calling the Arlington Heights Crime Stoppers at 847-590-7867. Callers may qualify for a $1,000 reward, police said.