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A father in Detroit, Michigan learned his son was dead after a gruesome photo went viral on social media.

It shows a man’s arm dangling out of the trunk of a white Buick Century easily identified by the victim’s family.

“I couldn’t believe it was him, I couldn’t believe it,” said Jeff Davis. “That’s how I found out, through Facebook,” Jeff Davis told FOX 2. 

The person who found the car with the man’s dead body, took a picture and posted it on Facebook.

The picture was shared thousands of times before police to confirmed the victim as 39-year-old Jeff Hagler.

He had been beaten, shot three times and left for dead in his trunk.

“It’s sad to find out your son you’ve just seen – and the next thing you know he is in the back of a car,” Davis said.