Dexter came to training and shortly became one of our most extreme cases to date. Dexter had several challenges: human and dog aggression, growling/showing teeth, nuisance barking, no recall, pulling on the leash, food aggression, possessiveness. He was also very hyperactive, had bitten his owners, strangers and neighbours, was manipulative, and had a strong fear of abandonment, and was even possessive of other dog’s owners at dog parks. Dexter’s litter was abandoned and split up [...]