Jon Ramzan says he left his son, who has Down syndrome, in the car Friday afternoon so he could pray.
A tow truck driver spotted the car illegally parked and started to tow it.
After the car was hooked up, and eyewitness says he told the driver there was a child inside, but he still took off.
Police say the tow truck driver dumped the child out of the car a few blocks away, and continued to the impound lot.
The tow truck driver now faces child endangerment charges.