Triggerman in Burlington double shooting dies

The man who police say shot and killed a chiropractor in his Burlington clinic before turning the gun on himself has died in hospital.

Police believe David Williamson went to the Mejilla Chiropractic Clinic near Plains Rd E and Waterdown last Thursday afternoon and fatally shot its owner, Dr. Ferdinand “Fred” Mejilla. It is believed Williamson shot himself next, but initially survived his injuries.

On Friday police announced 50-year-old Mejilla had died leaving behind behind five children.

Police have said Williamson was a one-time patient of Mejilla's. They have not offered any hint as to what may have prompted the violence.

People who work in and frequent businesses in the same plaza as the clinic tell NEWSTALK 1010's Williamson's wife was Mejilla's receptionist.