Police said the young Exeter Township, Berks County man took action when he heard vandals smashing car windows near his house early Monday morning.
Justin Mohn, 22, was last listed in fair condition at Reading Hospital.
Now, police are searching for the the car and the people that put him there.
"Please, I'm begging you to check... check your children's cars if they were out late last night, please," begged Justin's mother, Eileen Mohn.
Eileen said just before 1:00 Monday morning, her family heard the sound of glass shattering outside their home in the 100 block of West 47th Street.
"My son, the big-hearted boy he is, was coming out to check it out," said Eileen. "And when he realized someone was smashing car windows and mirrors, he chased them down."
Eileen watched as the vandals turned their attention to Justin.
"They turned the corner at the end of our street and hit the accelerator," she recalled. "And they hit him and they left him lay there and they never stopped."
Eileen said she rushed to her son's side.
"He was lying face down on the road unconscious," she said tearfully.
"He was struck and pushed maybe 60 feet or so," said Sgt. Ted Lis of the Exeter Township Police Department.
Police said they received several calls of cars being damaged around the township overnight Sunday.
By Monday morning, shards of broken glass were still scattered along the block outside the Mohns' house.
"It's a big step, though, between vandalism, some damage to vehicles, or someone almost being killed," said Lis.
Investigators are looking for a dark-colored car, possibly black. They believe it has minor to moderate front end damage. They also believe the license plate may begin with the letters "D" "H".
"It's senseless, senseless, senseless," Eileen said. "There's no reason that [Justin] should be laying in that hospital bed right now."
Anyone with information is asked to call Crime Alert Berks County. The toll-free number is 877-373-9913. A cash reward of up to $5,000 is offered for information leading to an arrest.
Information from WFMZ-TV