A Boston art collector was killed during a morning walk with his dog in what authorities are describing as an intentional hit-and-run, according to police and media reports. A driver crashed into John Axelrod at the Commonwealth Avenue mall, a public historic park in Boston, on Saturday, January 3, NBC News reported. The driver, William Haney, drove off after authorities said he hit Axelrod, 79, who received medical treatment in the park and later died at a nearby hospital, the Boston Police Department said in a news release.