Most of us probably scoot right past electronic road signs barely noticing their messages. But lately, joggers, walkers, and drivers in Rock Creek Park have been getting an eyeful.

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Someone has twice hacked the message board near picnic area 7 and posted profane messages about President Trump and "Kill Nazis."

The sign was put there by a contractor for D.C. Water, which is working in the area. After someone complained, Park Police had workers take the messages down, and the control panel has now been locked.

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It's apparently easy to hack the panels. Most just use a default password. There are step-by-step instructions on line, along with tongue in cheek messages urging people not to do it.

A Google search turns up scores of message warning of things like rampaging pandas on the loose.