article_snippet: Jean-Francois Menicucci from Montreal told MailOnline Jean-Francois Menicucci 240lb mastiff Rex ate Purina Beneful after a family member brought Purina Beneful back from the store one day.
article_snippet: Rex believes Purina Beneful led to Rex beloved dog's premature death .
article_snippet: mastiff Rex ate Purina Beneful after a family member brought Purina Beneful back from the store in April 2013.
article_snippet: But Rex devoured Purina Beneful.
article_snippet: Rex filed a complaint to the authorities, suggesting Rex dog’s death was caused by Purina Beneful.