The majority of dogs sold in pet stores like Just Pups come from puppy mills, which are often cruel and unsafe operations. According to the ASPCA, there could be as many as 10,000 puppy mills in the U.S.
And this is certainly not the first time Just Pups has been in the spotlight for animal abuse.
Back in February, the owner of the store, Vincent LoSacco, was charged with 267 counts of animal cruelty and accused of repeatedly selling sick dogs. Authorities shut down the store's East Brunswick location after finding three dead dogs in a freezer, according to the Paramus Daily Voice.
"Every pet store has sick dogs," LoSacco told CBS New York at the time, denying any wrongdoing. "We don't make them sick, they get sick."
When asked about the latest incident, LoSacco told NorthJersey.com, "It's not unnormal to leave them [the puppies] in the van, as long as they have air conditioning or heat - depending on the season - and food and water. It's the same thing with the pet store. People aren't there 24 hours."