Vandals on Monday spray painted a “Hitler-style” mustache on a large mural of Ronald Reagan that covers a wall at the Putnam County Republican Party headquarters in Tennessee.

News Channel 5 reported that people could be seen laughing in their cars while others stopped to take photos.

The chairman of the Tennessee Republican Party called the act “deplorable” and told the Associated Press the vandalism “does nothing but draw lines in the sand that do not need to be drawn.”

The mural is valued at $5,000. Police are investigating the incident.

Watch video, broadcast August 15, 2011, below: