Police say witnesses heard dogs barking and when they came outside they found the man inside a truck backed onto a Timothy Lane home.
Police say the man, 45, had multiple gunshot wounds and was slumped over in the driver's seat just after 1 a.m. Tuesday.
He was taken to MetroHealth Medical Center where he was pronounced dead.
Homicide investigators, along with members of the Cuyahoga County Medical Examiner's Office responded to the scene.
This matter will be further investigated.