By Sara Amundson and Kitty Block
When Jaqueline Villegas met her family’s new puppy at Denver International Airport, she knew right away the puppy was not the healthy Shar-Pei she had seen on PuppyFind.com, a huge online marketplace for puppies with over 50,000 puppies listed for sale. PuppyFind is also a site that the Humane Society of the United States has repeatedly linked to puppy mills.