From FactCheck.org:

“The Committee to Defend the President, a pro-Trump hybrid group that can operate as a super PAC and a traditional political action committee, reported spending $225,000 to run the ad attacking Biden, a Democratic presidential candidate, in Nevada starting on Feb. 19, just three days before the state’s Democratic caucuses. As of Feb. 21, it had aired at least 70 times combined in Las Vegas and Reno, according to [AdImpact].”

Read the full article here.