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"There's a lot of physical abuse. In two of the cases, the victims got hit to the ground. One got hit to the face. Took him to the hospital. He had a 3 inch gash in his head,” said Ret. Det. Myrle Carner with Crime Stoppers of Puget Sound. Here's the key that may help solve the case -- the suspects are driving the gray 2005 Ford Escape pictured above. It has something on the roof, but detectives don't think it’s a storage rack, and they need your help to solve the mystery. "What's unusual about this vehicle, if you look closely, it appears there is something white on the back of it. We really don't know what that is, but it definitely seems to be attached and so somebody watching this video maybe has seen a vehicle like that, because we have not recovered it." Police say both suspects are black and in their late teens to early 20's. The first one is 6 feet tall, with a thin build and around 200 pounds. He's always wearing dark clothing with his face covered with a bandanna, a ski mask, hoodie, hat, black-colored gloves and tennis shoes. The second suspect is 5'8” with a small build, around 150 pounds, wearing dark clothing, with his face covered with a possible ski mask, stocking cap and hoodie. He's the one who was armed with a pistol. If you have any information that leads to an arrest in the case, Crime Stoppers will pay you a cash reward of up to $1,000 and Domino’s pizza is offering another $2,000 cash. So, submit an anonymous tip by downloading the P3 Tips App to your phone for free, or call the hot line at 1-800-222-TIPS(8477).