The internet is trying to figure out why a mischievous shelter dog is banned from an entire US state.

Twitter user @historiancole found the 4-year-old Siberian Husky while browsing a dog adoption website for the breed.

His biography on the Delaware Valley Siberian Husky Rescue states: "Jack enjoys car rides and is excellent in the car. Jack gets along with other dogs but is not good with cats. He pulls very hard on leash and will need a lot of exercise. Jack is very smart and learns quickly. Jack can jump a 4 ft fence from a stand still."

The male dog was also described as a "sweet affectionate boy" but also states that he "cannot legally reside in the state of Maryland".

Posting to Twitter on Tuesday (November 28) @historiacole said: "what the f*** did you do in Maryland, Jack?" accompanied by a picture of the naughty-looking animal.

So far the tweet has been shared over 43,000 times as users speculate why the canine could have run afoul of the law.

The user has been doing a bit of digging in order to discover why the animal could be banned from an entire jurisdiction.

One reply said the restriction was likely imposed after the animal attacked another cat – something authorities take very seriously in Maryland.

Whatever the reason for Jack's legal issues we sincerely hope the naughty pup has found a good home.

Husky Jack
Photo from Jack's bio www.siberianhuskyrescue.org/