PHOENIX – A Pitbull-terrier mix is dead after a random stabbing in a Chandler dog park last week, according the pet’s owner. The stabbing took place at Shawnee Dog Park, which is near near Dobson and Warner roads, Thursday at around 6 p.m., Conrad Calderon told KTAR News 92.3 FM’s Outspoken with Bruce and Gaydos on Monday.