Adrianna Perez's husband Jose went looking for Aspen, a 5-year-old Alaskan Husky, on June 11 and noticed he wasn't in his large pen outside their home.
When he looked in the doghouse he found a typed letter signed "someone who cares about all dogs" explaining why they took Aspen.
"A dog in a pen or on a chain is lonely. All they can look forward to is a meal and hope that someone will spend some time with them," reads the letter.
The Perez family contends Aspen was receiving a lot of attention from their three children and they all considered him part of the family.
"Shocked. Actually shocked, I've never seen that before. The dog was very loved. He's very well fed, very well taken care of. It was like a slap in the face that somebody would just come on your property and steal something that belongs to you. Part of your family, it's just...he's not replaceable," said Perez.
The family has put up fliers in several nearby towns and erected two signs in front their home on Napier Ave. asking the thief return Aspen.
"We got the bucket that has been filled with water waiting for his return. We got a bag of dog food in the house that we've been waiting for him," said Perez as she showed off the pen that sits empty in their front yard.
They also have started locking their doors for the first time since Aspen isn't around to alert them of any strangers.
"It's not safe anymore. If they steal your dog right from underneath you, I mean what else could they take? So it's gone, the sense of security is gone," said Perez. "I hope that they see this and they can see that he was actually being well taken care of and I hope that they are ashamed of themselves because this dog was loved. He was in a family that really loved him and we want him back."
They are offering a $100 reward for anyone who finds Aspen and returns him. Aspen has a microchip, which a vet or shelter can use to track down the family.
Anyone with information can contact Adriana Perez at 269-208-1518.