The Pryzbylskis plan to go back over to Detroit on Sunday and visit shelters, looking for their fourth, beloved husky. They are still working on getting the word out about Mandy through news and social media.

"It's a heartbreaker," Bill Pryzbylski said.

While they were out searching for the dogs Saturday afternoon, he said, people came together to help them.

A Facebook group called "Find Theresa's dogs" has updates about the search.

Theresa Pryzbylski was visiting Michigan from Illinois for a Siberian Husky Club of Greater Detroit show in Dexter on Saturday and Sunday. On Friday evening, she was taking each of the four dogs for a solo walk, then returning them to the hotel room.

While walking her male, Cruiser, she turned the corner around the hotel and saw her 2005 dark blue Ford Econoline van with three dogs inside was missing.

That night, Bill Pryzbylski drove from the Chicago area where they live to help with the search.

He said he believes whoever stole the van must have opened the doors and let the dogs out once the person realized they were in the vehicle.

Wherever Mandy is, her owners are determined to find her.

"There's no way we're going home without her," he said.

The Ford van's Illinois license plate number is 977 0567 and it has a magnet on the back that says "Snowquest Siberians."

Ann Arbor police took an auto theft report Friday evening, and have no new information to report.

Anyone with information can call Pryzbylski at 708-528-1053.

The Siberian Husky Club of Greater Detroit is offering a $500 reward for the missing husky.

Lindsay Knake is the K-12 education reporter for The Ann Arbor News. Follow her on twitter or contact her at 989-372-2498 or lknake@mlive.com.