Opportunity Wisconsin announced a new TV and digital ad buy slamming U.S. Sen. Ron Johnson for increasing his wealth since taking office.

The seven-figure 30-second ad highlights the Oshkosh Republican passing a tax law Opportunity Wisconsin argues helped more than double Johnson’s wealth while in office.

“In the military, we call it dereliction of duty,” Air Force Veteran William B. says in the ad. “Ron Johnson is supposed to serve Wisconsin. Instead, he served himself.”

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